A car bomb has killed dozens of people in Baghdad as US-backed Iraqi forces continue their fight against the self-declared Islamic state group.
ISIS is being blamed for the bombing, the latest in a series of explosions and attacks in several Iraqi cities in the past few days.
As our Washington correspondent John Clarke reports, American military leaders believe they have ISIS on the defensive despite the carnage.
IN: "The latest bomb...
OUT: SOC
DUR: 33"