UPDATE: Fox2 News reported that the crash that blocked westbound lanes of I-70 Friday for an hour after 7 p.m. involved a fatality.
A car fire on westbound Interstate 70 between the Lake Saint Louis Boulevard exit and the Route A exit has shut down all the westbound lanes.
Traffic was backed up to Bryan Road at about 7:30 p.m.
Lake Saint Louis police were on the scene to provide assistance to the Missouri Highway Patrol.
Wentzville Patch will bring you more information as it becomes available.