POLICE are investigating a suspected arson attack after an Erskine chemist was targeted early Thursday morning.
Nightingales Pharmacy was set alight about 3.40am.
It was the second time in a week the pharmacy had been attacked by arsonists.
Up to $100,000 worth of damage was done to the property with firefighters bringing the blaze under control within half an hour.
Mandurah police and detectives are investigating.
CCTV images have been released of two men police believe may be able to assist in their enquiries.
Anyone with information on the incident is asked to contact crime Stoppers on 1800 333 000.