WARREN - City fire crews were on the scene of a fire at a 1040 Kennilworth Ave. S.E. home early Thursday afternoon. The first crews arrived just before 1 p.m. to find smoke coming from the upstairs of the two story home. It was unclear if the home was occupied, but fire Chief Ken Nussle said a contractor was working inside. There were no injuries. A cause and a damage estimate were not yet available.