ST. LOUIS – Multiple people are injured after a crash on the Poplar Street Bridge Tuesday morning.

The crash occurred a little after 7:25 a.m. on the Poplar Street Bridge, involving a car and a semi-truck.

Illinois State Police responded to the crash. Injuries has been reported, but the conditions of those involved are unknown. The investigation is still ongoing.

This is a developing story; FOX 2 will provide more information when it comes into the newsroom.