A mobile home fire this morning at 11-thousand-700 East Waterman.   Around 2:30 a passing off duty police officer called 911 to report the fire.  Firefighters arrived on scene, and found smoke and flames coming from a double-wide mobile home.   Firefighters attempted to fight the fire from inside the home but quickly went into a defensive mode.  There were no injuries reported and the cause of the fire is still under investigation.