POLICE are hunting for a teenage girl who is seriously injured.

Mia Thornton has not been seen for a week and police say she needs medical attention.

An Adur and Worthing Police spokesman said: "We are increasingly concerned for Mia Thornton, 16, last seen on January 21 in Littlehampton.

"Mia has a serious hand injury that needs medical attention.

"She was last seen wearing black jeans and a mustard coloured jacket.

"Please call 101 quoting 1079 of 21/01 with information."