Police are investigating a fire at Willunga this morning.

Just after 5am on Wednesday 6 November Police and MFS were called to Aldinga Road after reports a house was on fire.

The blaze was quickly extinguished by MFS and the premises were vacant at the time. The house has been destroyed.

Residents of neighbouring properties were evacuated for safety.

Crime Scene Investigators are attending the scene this morning, but police suspect the blaze was deliberately lit.

Anyone with information is asked to call Crime Stoppers on 1800 333 000 or online at www.crimestooperssa.com. You can remain anonymous.