Police are investigating a suspicious restaurant fire at Torrensville overnight.
Police and fire crews responded to reports of flames visible in the Henley Beach Road, Torrensville premises about 3.15am on Friday 30 August.
The restaurant suffered extensive damage.
The fire was extinguished by fire crews and there were no reported injuries.
Henley Beach Road was closed while crews battled the fire but has since reopened.
Fire cause investigators attended the scene this morning.
The fire is being treated as suspicious and police ask anyone who saw any activity in or around the restaurant last night, or who has dashcam or CCTV footage that may assist the investigation to contact Crime Stoppers on 1800 333 000 or online at www.crimestopperssa.com.au