A TEENAGED robber wearing a balaclava stole a mobile phone at knifepoint in Poole.

Four teenagers were approached by the robber in Cabot Lane at 10.50pm on Saturday, December 5, and followed them as they headed towards Creekmoor.

The robber, aged around 17 and armed with a knife, stole a phone from one of the group.

Detective Constable Jo Regan, of Bournemouth CID, said: "We appreciate this must have been a distressing incident for the victims and we are carrying out a number of enquiries to try and identify the person responsible.

"I am appealing for any witnesses, or anyone who has any information that might assist our investigation, to please contact us."

The suspect is described as white, aged around 17 years old with blue eyes and a blond moustache.

He was wearing a balaclava and dark clothing with a hood worn up.

Anyone with information is asked to contact Dorset Police at www.dorset.police.uk, via email 101@dorset.pnn.police.uk or by calling 101, quoting occurrence number 55200183280.

Alternatively, contact the independent charity Crimestoppers online at Crimestoppers-uk.org or call Freephone 0800 555 111.