Semitrailer fire on I-75 South near Dayton Mall exit slows traffic

UPDATE @ 12:39 a.m.: All southbound lanes of I-75 are open.

INITIAL REPORT

A semitrailer fire on I-75 South just before the Dayton Mall exit in Miami Twp. has the right and middle lanes shut down.

State patrol troopers and fire crews are inside the trailer, dealing with whatever was burning.