...Rumors of a suicide bomber sowed panic among thousands of Shiite Muslim pilgrims Wednesday on a bridge over the Tigris River in Baghdad, triggering a stampede in which many jumped into the turbid river or fell to their deaths on sidewalks and a children's playground below.

The Iraqi Health Ministry on Thursday put the death toll at 843. The Interior Ministry said 953 people were killed and 815 injured, the Associated Press reported. Bodies of victims had been taken to many hospitals, mosques and private homes, making an accurate count difficult...