A 93-year-old man and his 67-year-old son have become victims of a violent home invasion near Geelong.

Neil Mitchell described the incident as – ‘Another disgusting, appalling home invasion.’

Police told Neil Mitchell the offender used a hose to flood the rear of the home in Hamlyn Heights.

When the 93-year-old resident opened the door to look around 7pm on Monday.

He was pulled from the home, then fled to his neighbour’s home for help.

Meanwhile inside, the man’s 67-year-old son was allegedly punched in the head more than 15 times and kicked as he was mugged.

The offender then threatened him with a knife before fleeing.

Detective Sergeant Adam Forehan from the Geelong CIU believed the offender had earlier been checking out the home.

Anyone with information is urged to contact Crime Stoppers on 1800 333 000.

Click PLAY to hear Neil Mitchell speak to Detective Sergeant Adam Forehan from the Geelong CIU about the home invasion.