An urgent hunt has been launched after a 15-year-old girl was allegedly grabbed by a man while walking through a field.

Police were called following reports the girl was assaulted on a pathway close to Tangier Road in Portsmouth just after 2.30pm on Sunday.

The girl shouted and the man fled the scene, Hampshire Police have said.

The suspect is described as white, about 5ft 8in tall, aged approximately in his mid-30s, and with light-coloured short, shaven or balding hair.

He was wearing a grey t-shirt, cargo shorts, and riding a silver pushbike.