LAWRENCEBURG, Ind. (WKRC) - Four firefighters were injured Thursday in the line of duty.

Lawrenceburg Fire Department responded to a report of a structure fire at 2:30 p.m. Thursday on Church Road. Officials say there were heavy fire conditions when they arrived.

There was a firefighter Mayday because of a fire event on the second floor.

Three firefighters rescued themselves and additional units were called. The fire was knocked down by 6:00 p.m.

One firefighter was transported to University Hospital with second degree burns. Another firefighter was treated at St. Elizabeth-Dearborn and released.

Two others were treated on the scene and returned to service.

The fire is under investigation.