In pictures: Baghdad blast

1 of 6 The car bomb went off on the Iraqi capital's busy Tahrir Square on Monday.

2 of 6 The explosion in busy traffic left several dozen people, many of them foreign contractors, either dead or injured.

3 of 6 Iraqis in surrounding buildings were among the casualties, picked from the rubble.

4 of 6 Some Iraqis celebrated the deadly attack on contractors, burning a US flag.

5 of 6 American troops moved in to secure the scene as hostile crowds gathered.

6 of 6 The smoke cleared to reveal a scene of devastation, all too familiar in Baghdad today.