Fiery crash involving 2 cars and semi truck causing delays on I-80/94 on Calumet Avenue

CHICAGO (CBS)– A crash involving a fiery car and a semi truck is causing delays on I-80/94 at Calumet Avenue. 

The right westbound lanes are closed as crews work to clear the scene. 

The cause of the crash is unknown at this time. 

This is a developing story.