A car has exploded at a coalition checkpoint in Iraq, killing five people, including three coalition soldiers.

A U.S. Central Command statement said the blast occurred late Thursday near a military checkpoint about 18 kilometers southwest of the Hadithah Dam. The dam is located almost 200 kilometers northwest of Baghdad.

The statement said a civilian vehicle approached the checkpoint and a pregnant woman stepped out and began screaming. When coalition soldiers approached, the vehicle exploded, killing three soldiers, and wounding two others.

The pregnant woman and the driver of the vehicle were also killed.