SOUTH BEND, Ind. -- 1:55 p.m. UPDATE: Police say westbound lanes are being reopened, but traffic is still backed up.

Authorities say they're working to move motorists through the area to resume traffic flow.

Police say two people were taken to the hospital for what are described as non-life-threatening injuries.

UPDATE: Police say the westbound lanes of U.S. 20 at Michigan Street remain blocked off as of 1:25 p.m. Wednesday due to a four-vehicle crash.

Authorities now say injuries have been reported but there's no updates on specific injuries at this time.

Drivers are asked to find alternate routes at this time.

ORIGINAL STORY: The South Bend Police Department reports emergency personnel responded to a multi-vehicle crash Wednesday afternoon on the U.S. 20 Bypass near Michigan Street.

Police say back-ups are expected as they investigate and clear the scene.

Details such as injuries have not been reported at this time.

We will update this story as more information becomes available.