A van crammed with explosives has exploded near a college in western Baghdad, killing at least 16 people.
The explosion set fire to dozens of cars parked nearby
The van exploded in Iskan, a poor area with a large Shia population but where Shia and Sunni live and study together.
At least 45 people were injured in the attack, which reportedly took place in a car park between the college and a large food warehouse.
Correspondents say this is the first substantial bombing on the west side of the river this year.
Elsewhere in Iraq, the US military said one of its soldiers was killed in combat in Anbar province.
The College of Economic Science educates Iraqis from a range of backgrounds, with some Christians alongside Shia and Sunni students.
The blast, shortly before 1000 local time (0700 GMT) destroyed one house and severely damaged others, police said.
The Associated Press reported that a booby-trapped ambulance was also found near the scene of the blast.
The attack is the latest in a string of deadly incidents in Baghdad.
On Monday a series of car bombs in markets in the centre of the Iraqi capital killed at least 76 people and wounded 164.
Thousands of extra US troops are heading to the Iraqi capital to bolster Iraqi forces in a "surge" against militants and bombers.