POLICE are asking people to report suspicious behaviour following a spate of deliberately lit bushfires.
Roads closed on Friday afternoon after a fire caused thick smoke about 5km east of Sawyers Valley.
Motorists were advised to avoid Gorrie Road, reduce speed and drive carefully in the area.
Department of Parks and Wildlife said the fire was under control in less than 24 hours with crews dampening down on Saturday morning. All burning is banned from December to March.
Report suspicious behaviour to Crime Stoppers on 1800 333 000.