A woman was grabbed from behind and robbed in Corby this morning (Wednesday).
The incident happened in Dunedin Road between 4.20am and 5am.
The woman was approached from behind by a man who grabbed her arm and took the headphones off her head before making off.
The offender is described as a white man, about 5ft 9in, of slim build and wearing a black hoodie with the hood up.
He also wore a dark wool scarf across his face and gloves.
Witnesses or anyone with any information are asked to call Northamptonshire Police on 101.
Alternatively, they can call Crimestoppers anonymously on 0800 555111.