ROCHESTER HILLS (WWJ) – Police are investigating an explosion Thursday morning at an industrial building in Rochester Hills. It happened at Jessup Engineering on Bond Street, near Auburn Road and Crooks.

Officials tell WWJ Newsradio 950 that a hi-low caught fire — and that resulted in a propane tank explosion.

Employees were evacuated. No injuries were immediately reported.

Stay with WWJ for more on this story as details become available.