OCONTO, WI (WTAQ)-Three families are displaced after a house fire broke out overnight in Oconto. Officials say the fire started around 12:30 this morning (WED) at 223 Farnsworth Avenue in Oconto. All three families were out of the home by the time rescue crews got there. Officials say there was heavy smoke and water damage to one bedroom. Flames were out in 15 minutes, but firefighters were on scene for about two hours.  No one hurt..no word on a cause.