Officers in Christchurch are appealing for witnesses and anyone with information to come forward after criminal damage was caused to a property in the town.
The incident happened some time between 8am and 4.30pm on Wednesday 19 November along Arcadia Road.
The offender threw a brick through the bay window of a property and is thought to have then cycled off on a silver BMX bicycle.
He is described as a man with dark hair, between the ages of 20 and 25 years. He was wearing a dark blue coat and a pair of baggy trousers.
Police Constable Jim Perks, of Christchurch police, said: “This appears to be a random attack and has caused a great deal of distress and cost to the victims.
“I urge any witnesses or anyone with information to come forward as soon as possible.
“All calls will be treated with the strictest confidence.”
Witnesses and anyone with information should call Dorset Police in confidence on 101 quoting incident number 19:278. Alternatively, call the free and anonymous Crimestoppers line on 0800 555 111 where mobile phone tariffs may apply.