A Portland man faces a drunken driving charge after police found him aboard an idling Zamboni inside the Cumberland County Civic Center.

Police and firefighters were alerted by an alarm at about 2 a.m. Tuesday that somebody was inside the arena, which is home to the Portland Pirates hockey team.

Police officers discovered 22-year-old Adam Patterson attempting to operate the Zamboni, which had crashed into a wall inside the civic center's storage area.

Police say Patterson appeared to be intoxicated, and that he had also operated two fork lifts and damaged a sprinkler system, interior walls and a hockey net. Patterson was charged with operating under the influence, burglary, criminal mischief and violation of bail conditions.