G20 leaders seal $1tn global deal
Leaders of the world's largest economies reach an agreement on how to tackle the global financial crisis.

History lesson
Why G20 leaders need to avoid the mistakes of 1933

'Way to hell'
Is extra spending the best way to tackle downturn?

Funding crisis
More money needed by IMF as crisis spread

Twitter on the front line
Micro-blogging service Twitter was used by ministers, activists and protesters during the G20 meeting.

N Korea rocket launch warning
US President Obama and South Korea's Lee Myung-bak agree a "stern, united response" to any North Korea rocket launch.

Day One round-up
France and Germany call for tougher financial regulation at the G20 summit, on a day of protests in London's financial district.

Russia and US renew talks
Russia and the US are to reopen negotiations about reducing their nuclear warheads, Presidents Medvedev and Obama say.

Protesters jostle in the City
Protesters storm a Royal Bank of Scotland office in London amid demonstrations ahead of the G20 summit of world leaders.

Obama praises Brown's 'integrity'
Barack Obama hails Gordon Brown's "integrity" as the two men vow to work together to tackle the global economic crisis.

Mixed reactions to G20 outcome

Australia hit hard by mining slump
The G20 summit meets in London later this week will consider drastic action to revive the world economy. The BBC's Nick Bryant reports on how the economic downturn has hit western Australia.

What Americans want
As President Obama departs for the G20 summit, the BBC's Greg Wood reports from Pennsylvania on what ordinary Americans want him to achieve.

India boom under threat
Our India correspondent, Damian Grammaticus, has been to the booming city of Gurgaon near Delhi to gauge the scale of India's economic progress ahead of the G20.

Brazil pushes for bigger G20 role
Brazil wants the G20 to take more account of the needs of developing countrties when leaders meet in London.

China presses G20 reform plans
China is aiming at playing a bigger role in the G20 summit by suggesting plans to reform the world's currency system.

Africa faces deepening gloom
As the International Monetary Fund ends its conference in Tanzania, it is forecasting that African growth rates will almost halve, but it says it is not expecting it to slide into recession.

Top tips from Africa's entrepreneurs
Entrepreneurs across Africa give their tips on how to succeed in the harsh economic climate.

G20 summit: Map
Explore London's 2009 G20 summit in video, audio, pictures and text.

G20 deal
Is it the beginning of a new world economic order?

Headline figure
What the G20's $1tn pledge will really cost

Global dimension
How G20 leaders pulled together in a crisis

Michelle fever
The First Lady makes an impact in the UK

G20 spouses quiz
Test yourself - who'll sit next to Michelle Obama?

Lofty ambitions
High hopes for Barack Obama's European trip

Security bubble
How the US president will be protected