An Abbots Langley teenager has been missing for four days — sparking a police appeal.

Herts Police are concerned for the welfare of Liam, 16, who was last seen at 8.15am on Saturday, August 5.

He was last seen wearing a black jacket, black jogging bottoms, and black trainers. Liam has short dark brown hair and he is 5ft 11 and slim.

A picture of the teenager was released by police as they appealed for the public’s help to find him.

He has links to north and east Hertfordshire, Broxbourne, Watford, Hemel Hempstead, St Albans, Greater London, and the Thanet area of Kent.

Police urged anyone who believes they are with Liam or who have seen him in the last few moments to call 999 “immediately”.

Anyone who has seen Liam since he was reported missing or has information as to where he has been is asked to call 101.

Updated August 12: Liam has now been found