Police say they are "extremely" concerned for a teenager who has gone missing.

Pergega Klinsman was seen in Worthing at 10.30am today.

But the 17-year-old has disappeared.

He is slim, tanned, 5ft 8ins tall, with short black hair.

Officers believe he has links to Bognor, Selsey, and Enfield in London.

The force said: "We are extremely concerned for missing Worthing teenager Pergega Klinsman. If you see him, please dial 999 immediately."