Firefighters were called out to a house fire in the 4100 block of 15th Street Thursday morning. Crews with the Des Moines Fire Department responded just after 9:30 a.m. Authorities on the scene say the homeowner was working on a light fixture and that the fire started in, and was contained, to a wall. Smoke could be seen coming from an upper floor when firefighters arrived. Crews made a direct attack and quickly got the fire under control. No one was hurt. The fire remains under investigation.