Several cars catch fire outside Comerica Park

A massive fire swept through a parking lot outside of Comerica Park during a Detroit Tigers game Sunday afternoon.
Witnesses say the smoke could be seen for miles.
The Detroit Fire Department said 10 cars were heavily damaged.
Baseball fans returning from Sunday's Tigers game arrived at the the lot, Prime Parking, on Gratiot Avenue and Madison streets, to find their vehicles charred.
The cause of the fire is unknown at this time.
The fire department said they don't believe this was arson.
No one was injured.