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A 22-year-old Carencro man was fatally shot early Sunday while traveling on Interstate 10 eastbound, causing his car to crash into another vehicle before he was pronounced dead on the scene, Baton Rouge police said.

Police spokesman Sgt. Don Coppola Jr. said Ketron McDonald was driving a Nissan Altima when someone in a passing vehicle shot him. His vehicle was then struck by another vehicle.

The shooting occurred around 4 a.m. on I-10 eastbound west of Perkins Road. The victim died at the scene.

Coppola said the investigation indicates that the driver was alone in his car when he was shot. 

East Baton Rouge Emergency Medical Services spokesman Mike Chustz said no other injuries were reported.

There are no known suspects or motives at this time, Coppola said Sunday afternoon.

Police ask anyone with information to contact the Violent Crimes Unit at (225) 389-4869 or Crime Stoppers at (225) 344-7867.

Check back for updates.