UPDATE

Richmond Police said: "Aston, who we shared as missing this morning, has now been found safe. Thanks to everyone who shared our appeal."

The police have issued a missing person alert for Aston, who was last seen in the early hours of this morning – Monday.

He is known to frequent Twickenham and Kingston town centre.

Richmond Police said: "He is white with dark brown hair, slim build,

"He is wearing a black jacket with the word "Champion" on the side, black tracksuit bottoms, a Ben Sherman jacket and Air Jordan Trainers."

• If seen, or if you know his whereabouts, please call police on 999 with reference to 21MIS033113.