Overview

• The aircraft struck overhead power lines around 11:10 AM CDT before plunging onto a barge near mile marker 200 in St. Charles County, Missouri.
• Alton Fire Department Deputy Chief Matthew Fischer confirmed that both occupants of the helicopter died on impact.
• A hazmat response team worked alongside firefighters and confirmed there were no leaks from the barge’s chemical cargo.
• Authorities have closed Lock and Dam Way, the Clark Bridge and the Lewis and Clark Bridge as a safety precaution.
• The helicopter wreckage remains secured on the barge while investigators continue to probe the crash’s cause and the victims’ identities.