A 14-year-old girl was sexually assaulted in Rastrick earlier today.
The teenager was on Chapel Croft at around 7am when a man ran up behind her and attacked her.
She fought back and screamed for help, and the man made off towards Crowtrees Lane.
He is described as white, aged in his late 30s, slim and between 5ft 8ins and 6ft tall.
He had blonde hair and sideburns down to his chin.
He was wearing jeans and a brown sweater
Anyone who was in the area at the time or anyone who may have information about the attack is asked to call Detective Sergeant Terry O’Keeffe in Calderdale CID on 01422 337085 or via 101.
Information can also be passed on anonymously via Crimestoppers on 0800 555111.