A man has been arrested by police following an aggravated burglary in Langwarrin this morning.
Police have been told a resident of Elm Grove heard someone outside his property about 3am.
The resident went to investigate and found a man attempting to steal tools from his utility which was parked in the driveway.
The man confronted the offender and a struggle ensued before the victim was chased back into his property and assaulted with a sledgehammer.
Neighbours raised the alarm after hearing the altercation and victim calling for help.
Uniform officers from Frankston were quickly on the scene and arrested the man in a neighbouring rear yard.
The 37-year-old victim has been taken to hospital for treatment to his injuries.
The 33-year-old man from Frankston who was arrested at the scene has been taken to hospital under police guard.
Anyone with information or witnesses who may not have spoken with police are urged to call Crime Stoppers on 1800 333 000 or log onto .
