The Saskatoon Fire Department says a camper trailer fire on the 12 hundred block of Avenue M South is suspicious. The camper was fully involved when they arrived and the fire department got the call just after 11 o’clock Tuesday night.   It was under control within minutes. The Fire Investigator was assisted by a police investigator and conducted a scene examination. Fire damage is estimated at $5,000. Police will continue their portion of the investigation and are asking anyone with information to contact the Saskatoon Police Service or Crime Stoppers.