Detectives are investigating an attempted robbery at a cash point in Town Hall Street, Sowerby Bridge, on Saturday night.
The victim, a 42 year old woman, was withdrawing money from the machine at 10.30pm when she was approached by a man who asked if he could use her mobile phone.
When she refused, he went to snatch the money from the cash machine.
Detectives say there was a short struggle before the suspect left empty-handed.
One of the victim’s fingers was injured during the struggle.
The suspect escaped along Town Hall Street and headed under the bridge.
Anyone who witnessed the incident or has any information is urged to contact Detective Constable Emma Goodridge in Calderdale CID on 101.