COLUMBIANA, Ohio -  Police in Columbiana and State Troopers are investigating an accident that demolished an office building early Monday.

The tractor of a semi crashed into the Roth Blair Law Office on South Main Street, just south of the traffic circle, at around 3:30 a.m.

A rescue squad was dispatched after it was reported that a man had sustained a head injury. There is no word on the victim's condition.

The truck, owned by Bennett Logistics and Transportation, had heavy front-end damage.

The entire corner and south side of the brick office building were destroyed.

The Ohio State Highway Patrol tells 21 News that since a commercial vehicle was involved, police have asked for their assistance in the investigation.

Police were still working to reopen South Main Street as of 7 a.m.

Authorities aren't revealing further details about the crash, saying the police chief will release more information later today.

Stay connected with 21 News and WFMJ.COM for the latest on this developing story.