One adult was displaced. The cause of the fire hasn't been determined, IFD said. A home next door sustained minimal exterior damage. IFD is also investigating a house fire in the 3600 block of N.

According to IFD, at about 9:20 a.m., crews were dispatched ... crews tried to pull hose lines and go in through the front door. But as they were met with heavy black smoke and fire inside ...