Police hunting youths over attempt to set fire to derelict units in Mount Gambier POLICE are hunting three youths who tried to set fire to a derelict unit block in the state's South East this morning. Emergency services were called to a vacant block of units on Commercial St East, in Mount Gambier, after reports of a fire about 1am. Three separate fires had been lit, but had failed to take hold and were extinguished by police. Fire crews also attended the scene. The unit block is derelict and has been vacant for years. The fire caused minimal damage and did not spread to neighbouring houses. Police said three youths were seen running from the area at the time of the fire and officers were trying to identify them. Anyone with information is urged to call Mount Gambier Police on 8735 1020 or Crime Stoppers on 1800 333 000. Originally published as Youths sought over arson attempt