Police are appealing for witnesses to a suspected arson attack on a restaurant in Sydney's southwest.
About 8pm (AEST) on Friday, police and fire brigades were called to Airds Road at Leumeah where a restaurant was engulfed in flames.
The fire was contained however the roof had collapsed and the building had been extensively damaged, police say.
The restaurant had been closed since last month to repair damage from another fire.
Police are treating the fire as suspicious with a witness reporting seeing a man running away shortly before the fire broke out.
Fire investigators are appealing for anyone with information to contact Crime Stoppers on 1800 333 000.