Police are desperately concerned for the safety of a severely autistic teenager with cerebral palsy who has gone missing.

Paul Whittick, 18, was last seen by his carer at about 6pm on Tuesday, July 16, in South Park, Fulham.

At 20.08pm on Tuesday evening Paul was spotted getting on a southbound District Line tube train.

Inspector Jim Cook said: "'We are concerned for the safety of Paul and would urge anyone who has seen him to call police immediately.

"Paul suffers from autism and has cerebral palsy and will become increasingly concerned the longer that he is missing from home.

"Because he cannot speak, he will not be able to tell anyone that he is missing."

He is is black and around 4 feet 2 inches of slight build.

He was wearing a red/orange t-shirt and blue jeans with green and white Converse trainers.

Anyone who may have seen Paul or has information that may assist police in finding him should call 101 and ask for Hammersmith & Fulham police.