No residents were injured in a fire caused by a child playing with a lighter Tuesday in a Clark Avenue apartment building, Ames Fire Department officials said. 

All six residents at home in the four-unit building exited safely when the fire was detected at 10:30 a.m. Tuesday, officials said in a news release. A firefighter suffered a minor burn on his neck, but was treated at the scene. 

The fire, caused by a child playing with a cigarette lighter, resulted in $45,000 worth of damage to the four-unit building, according to the release. 

The fire remains under investigation.