By DANIEL LOVERING PITTSBURGH - Disobeyed orders, overconfidence and other factors likely led a towboat to be swept over a dam in 2005, killing four of its crew members, according to a Coast Guard report released Thursday.

INDUSTRY, Pa. - A tugboat and three barges sank Sunday after being swept over a dam spillway on the Ohio River by currents made stronger by heavy rains, killing three crew members. One person was missing and believed to be aboard the sunken boat.

INDUSTRY, Pa. - A tug boat sank on the Ohio River early Sunday, killing three people and leaving another missing, authorities said. Six crew members aboard the Elizabeth M. were rescued, and two of them were taken to a hospital, said Thomas Llewellyn, fire chief in Industry.