As the war on Iraq continues, the CBBC Newsround website will keep you up-to-date with the key moments.
The most recent events are at the top of this page. All times are UK time.
Monday 7 April
6.00pm US officials say first tests on chemicals found near the Iraqi city of Karbala suggest they may contain nerve agents.
5.30pm US President George Bush arrives in Belfast for key war summit with Prime Minister Tony Blair.
5.05pm Medical aid group Medecins Sans Frontieres (MSF) says two of its workers are missing in Baghdad.
3.47pm Polish media say two journalists have been kidnapped by Iraqis south of Baghdad.
2.35pm Commander of the allied forces, General Tommy Franks, visited troops in Iraq.
2.30pm UN Secretary General Kofi Annan says he expects the UN to play an important role in post-war Iraq.
1.30pm Iraqi television shows Saddam Hussein and his son Qusay meeting top officials.
12.27pm Two US soliders and two journalists are killed and 15 wounded in an Iraqi rocket attack on a US communications centre south of Baghdad, says the US military.
11.55am British forces take control of Basra, after killing 300 Iraqi soliders inside the city.
11.50am Heavy bombing reported across Baghdad.
11.20amUS military says it's detroyed an Iraqi column of tanks, and other armoured vehicles north-west of Baghdad, preventing them from reinforcing the city.
11.00am Special forces carrying out "unconventional warfare" in southern, northern and central Iraq, says the US central command.
10.30am Britain has "strong indications" that "Chemical Ali" was killed in a coalition attack but cannot confirm his death, UK Defence Secretary Geoff Hoon says
10.20am Several US soldiers are wounded in Iraqi missile attack on American base in southern outskirts of Baghdad
10am At least two US marines are killed in fighting at a bridge over the River Tigris in Baghdad
8.40am A journalist has described an area of Baghdad that includes residential housing as a "battle zone" as US and Iraqi forces fight in the heart of the city.
7.40am US marines are entering Baghdad from the south-east, US military spokesmen say.
7.25am A BBC journalist in Basra says British commanders there are convinced that they have killed the Iraqi commander Ali Hassan al-Majid - known as "Chemical Ali" - but there has been no confirmation that he is dead.
7.20am A BBC journalist says UK paratroopers are storming the old town of Basra.
7.05am Television pictures from the northern city of Mosul show it coming under heavy bombardment.
7.00am US Central Command spokesman says operation in Baghdad is "an armoured raid through the city" and goal is not to take ground.
6.30am Iraq's information minister gives a press conference in central Baghdad at which he claims US armoured columns have been forced out of the city - as journalists report continued fighting.
6.25am A journalist for a news agency says the Iraqi information ministry and the foreign ministry are firmly in Iraqi government hands and that heavily armed units of the Iraqi Republican Guard have taken up positions in the area.
6.00am US Defence Department and Central Command sources say the Baghdad attacks are a "show of force" and not the "battle for Baghdad".
5.50am A BBC journalist says a fierce gun battle is in happening by the banks of the River Tigris.
5.40am US troops report only bits of resistance as they take control of one of the presidential palaces.
5.20am US army colonel interviewed outside a presidential palace in Baghdad says US forces have control of the centre of the city and the heart of the Iraqi Government structure.
5.15am US troops reported to have taken one of the presidential palaces in central Baghdad as more than 100 tanks and armoured vehicles pour into the city, supported by A-10 "tankbuster" aircraft.
4.55am BBC journalist Rageh Omaar says he can see US armoured personnel carriers near a presidential palace, where a fierce battle is going on.
4.32am US tanks and armoured vehicles are attacking targets in central Baghdad, American military officials say.
3.30am Iraqi television says Saddam Hussein is offering $8,000 to anyone who destroys an allied tank, armoured personnel carrier or artillery.
2.00am US warplanes bomb both the centre and the outskirts of Baghdad in dawn raids.
1.00am Chilean President Ricardo Lagos - whose country is on the Security Council - says the United Nations should have a key role in post-war Iraq.
Sunday 6 April
9.30pm Six large explosions rock the southern outskirts of Baghdad.
9.15pm Ahmad Chalabi, leader of the opposition Iraqi National Congress, tells CBS's 60 Minutes programme that US forces should stay in Iraq for two years - until elections can be held.
7.55pm UK Ministry of Defence says three British soldiers were killed during Sunday's attack on Basra.
6.30pm UK soldier killed during Sunday's fighting in Basra, officials say.
6.26pm US forces say they have taken control of the central Iraqi city of Karbala after two days of fierce battles. A US spokesman says US troops fought street-to-street and were confident there was no further threat of an Iraqi attack.
5.15pm The first US military aircraft - reportedly a C-130 cargo plane - lands at Baghdad's airport, US military officials say
3pm A senior US military commander says the Iraqi army defending Baghdad is now struggling to assemble 1,000 soldiers for each battle
1.50pm US Deputy Defence Secretary Paul Wolfowitz says it will take more than six months for an Iraqi government to be created to run the country after the defeat of Saddam Hussein's regime
1.10pm BBC correspondent Gavin Hewitt reports fierce artillery exchanges in western Baghdad, sees dozens of burnt out Iraqi armoured vehicles.
11.46am Iraq information minister dismisses reports of death of Iraq's southern commander Ali Hassan al-Majid, dubbed "Chemical Ali"
11.30am The coalition holds more than 6,000 Iraqi POWs, the US military says.
11.20am The US military says it has captured and killed a number of foreign fighters during clashes in Iraq, and that it destroyed a camp at Salman Pak believed to have been used by the Iraqi regime to train foreign volunteers in terrorist tactics
10.45am: Iraqi Information Minister Mohammed Saeed al-Sahaf says Iraq has killed 50 US troops and destroyed at least six US tanks close to Baghdad international airport overnight. He again denied US troops had taken control of the airport
10.11am Reports say a convoy taking the Russian ambassador out of Iraq has been attacked on the road to the Syrian border
8.50amThe US military says its forces have killed between 2,000 and 3,000 Iraqi fighters in Baghdad since US troops attacked the city's outskirts
8.50am British tanks are reported to have entered the centre of Iraq's second city, Basra.
8.30am A US plane drops a bomb on a convoy of US special forces and Kurdish civilians in northern Iraq in a "friendly fire" incident, says the BBC's John Simpson who is travelling with the convoy
6.55am A column of 2,000 US vehicles moves into the outskirts of Baghdad to join two similar formations already operating in the south-west of the city
6.30am Iraqi television says the authorities will impose a travel ban in and out of Baghdad from 6pm to 6am local time, beginning on Sunday night
1.44am Australian Prime Minister John Howard, who sent 2,000 troops to fight with the US-led coalition, warns that the war may yet go on for "some time"
12.07am Al-Jazeera television reports that Republican Guard units are on the streets of Baghdad
Saturday 5 April
4.10pm Iraqi Republican Guard units around Baghdad no longer work as an organised force, a senior US military spokesman says
4.07pm US combat aircraft begin 24-hour-a-day patrols over Baghdad to provide close air support for US ground troops
3.06pm In his weekly radio address, US President George W. Bush says American troops "will not stop until Iraq is free"
1.10pm The BBC's correspondents in Baghdad say they have not seen any presence of US troops in the city centre.
11.10am Iraq's claim to have retaken Baghdad's main airport is "groundless", US Central Command says
9.30am Iraqi information minister denies that US troops have entered central Baghdad and says American forces have been expelled from the city's main airport
8.45am A "significant number" of US troops are entering Baghdad and they are not just on a brief patrol, US Central Command forward headquarters in Qatar says
8am US forces say they have captured the headquarters of the Republican Guard's Medina Division, south of Baghdad
5.10am Reuters report that a US officer has said that first tests of a white powder found in thousands of boxes near the Iraqi capital indicated it was not a chemical weapon
4.30am Up to eight US Abrams tanks begin reconnaissance mission in the southern outskirts of Baghdad, making furthest land advance yet into the capital
4am Two US marine pilots have been killed when their AH-1W Super Cobra attack helicopter crashed in central Iraq early on Saturday morning, US military said
2am Three large explosions rock the south-eastern outskirts of Baghdad, a Reuters correspondent said
12.55am US National Security Adviser Condoleeza Rice says coalition forces and not the UN will play the leading role in Iraq after the war, at least in the short-term.
Friday 4 April
7.00pm Arab satellite TV Al-Jazeera goes back on air in Iraq after authorities lift a ban on two of its reporters.
6.45pm Iraqi state news agency says two Iraqi women were responsible for Friday's suicide attack which killed coalition forces.
6.30pm The Washington Post newspaper says Michael Kelly, a journalist with the paper, was been killed in an accident while travelling with US troops in Iraq.
5.30pm Iraqi TV has shown film of what it said was President Saddam Hussein visiting areas in Baghdad on Friday. He was mobbed by cheering people. Some of them kissed him on his cheeks and hands, and he held up a small child.
5.55pm George W Bush and UK Prime Minister Tony Blair are to meet in Northern Ireland on Monday and Tuesday. They are will discuss the war in Iraq, the Middle East and Northern Ireland.
5.35pm Electricity is back on in some parts of Baghdad nearly 24 hours after power supplies were cut.
4.40pm Saddam Hussein has made a television appearance telling Iraqi people to hit back against US troops surrounding Baghdad.
3.55pm Iraqi Information Minister Mohammed Saeed al-Sahhaf says US forces at Baghdad's main airport are surrounded. He says Iraqi military is preparing to launch "non-conventional" attacks later on Friday but he added they had no plans to use chemical of biological weapons.
3.25pm The first emergency convoy from the United Nations World Food Programme (WFP) has crossed from Turkey into Northern Iraq.
3.15pm Journalists with Kurdish fighters in northern Iraq say massive plumes of smoke are rising from oilfields near the town of Kirkuk. They say it is not clear whether oil wells are ablaze or Iraqi defenders have set fire to oil-filled ditches.
1.00pm French Foreign Minister Dominique de Villepin says the UN must play a key role in Iraq.
12.54pm US officers say they have found thousands of boxes containing vials of white powder and liquid at a "suspicious site" near Latifiya south of Baghdad.
12.34pm US Central Command says a car exploded near a checkpoint on Thursday night, killing three of their soldiers. A US military spokesman says the blast appears to be a suicide attack
10.50am US Marines close to Baghdad report that about 2,500 Republican Guards surrendered overnight. US Central Command spokesman Navy Capt. Frank Thorp says there is no outright confirmation of the report
10.30am Tony Blair writes a letter to the Iraqi people saying that after the war Iraq will be run by Iraqis and that UK troops "will not stay a day longer than necessary".
9.30am Another statement from Saddam Hussein is read out by a member of his government. It says that victory "is within our grasp" and the US-led coalition will be "humiliated"
8.25am United Nations Aid Agencies return to southern Iraq, for the first time since pulling out in March
7.10am Journalists in Iraq say US soldiers at Baghdad Airport are facing attacks from Iraqi soldiers
4.20am US Army intelligence officer says 80% of Baghdad airport in American control
3.30am US claim complete control of Baghdad's international airport, called Saddam International
1.40am US soldier killed by friendly fire after being mistaken for an Iraqi soldier
12.25am 16 loud explosions rock Baghdad, many targeting Saddam Hussein's palaces
Thursday 3 April
8.56pm Iraqi Deputy Prime Minister Tariq Aziz says that coalition forces would not be able to take over Baghdad and promised a "huge and costly" war.
8.12pm Reports say US troops have captured Baghdad airport with tanks getting almost no fighting back from Iraqi forces - this is still unconfirmed though.
6.52pm Iraqi TV shows pictures of Saddam Hussein holding a meeting of military and Baath Party personnel.
6.28pm US forces attacking Baghdad airport - but these reports have not been confirmed.
5.45pm US Defence Secretary Donald Rumsfeld says most oil fields are safe.
5.00pm Electricity is cut in Baghdad for the first time in the war. Artillery fire is heard on the southern edges of the city.
4.36pm The US military is looking into reports of a friendly fire incident involving US ground forces and an F-15 aircraft. One soldier is dead and others missing, US Central Command says.
3.49pm US President George Bush says coalition forces advancing on Baghdad will not stop until Iraq is free, as he addressed troops in North Carolina.
2.45pm Defence officials in Washington say an investigation is taking place into reports that a US F/A-18 Hornet fighter bomber might have been shot down by an American Patriot anti-missile battery.
1.40pm American marines meet stiff Iraqi resistance at Aziziyah, about 60 kilometres (40 miles) south-east of Baghdad.
12.10am US military shows footage of what it says was a raid on Tharthar presidential palace, 90km from Baghdad. The US military says there is increasing evidence the Iraqi regime is losing command and control over the country.
11.38am Iraqi Information Minister Mohammed Saeed al-Sahaf dismisses reports that US troops are near Baghdad as "silly".
10.55am US military officials say American special forces entered a presidential palace near Baghdad overnight, then left again
10.13am Iraqi television shows pictures of what it says are the remains of an 'American fighter plane' shot down by Iraqi air attacks in Basra
9.19am The Iraqi information minister appears on television reading a speech he says is by Saddam Hussein, praising Iraqis for their fighting at al-Kut
8.47am US military officials say the Third Infantry Division is taking up positions outside Baghdad international airport
8.43am The US Third Infantry Division says it has units within 10 km of the outskirts of Baghdad
6.58am US military bosses say about 500 Iraqi troops were killed trying to recapture a key bridge over the Euphrates River, 30 km south of Baghdad
4.30am A US F/A-18 Hornet warplane crashes over southern Iraq, reportedly having been shot down by a missile. It's not yet known what happened to the pilot
2.05am Seven US soldiers are killed when a US Black Hawk helicopter is shot down by small arms fire near Karbala, reports say. Four others on board are injured
12.30am A large explosion is reported in central Baghdad