Associated Press

A U.S. Navy plane accidentally dropped some form of munitions on a bombing range in Kuwait today, killing five people, including four Americans, Pentagon officials said.

Details were sketchy.

Pentagon spokesman Bryan Whitman would say only that there had been a “training accident” and that there were an unspecified number of casualties.

Other officials, speaking on condition of anonymity, said five had been killed, including four Americans. The nationality of the fifth was not immediately known.

The accident happened at the Udari bombing range in Kuwait.

The United States military has operated regularly from airfields and an Army base in Kuwait since the 1991 Gulf War, when U.S. forces expelled the occupying Iraqi army from the tiny Persian Gulf nation.