Army: Sick Soldiers Drank Compound Found in Antifreeze

Cars wait to enter Fort Bliss in El Paso, Texas, on Sept. 9, 2014. Juan Carlos Llorca/AP Photo

An investigation into what sickened 11 soldiers who ingested an unauthorized substance shows they drank an industrial compound found in antifreeze believing it was alcohol following a 10-day field training exercise at Fort Bliss in Texas, U.S. Army officials said Friday.