Police are hunting a man who broke into the Busselton District Hospital armed with a metal object this morning.
The man smashed a side window of the St John Ambulance training room about 2.15am gaining entry into the building.
The offender was then disturbed by a staff member and tried to escape through the broken window. Failing, he eventually fled via the front door.
No property was taken during the break-in.
The offender is described as aged between 23-26 years, of fair complexion, slim build about 180cm tall.
He had curly brown hair.
Anyone with information on this incident should contact Crime Stoppers on 1800 333 000.