Footage shows a woman walking along the road in the Lancashire village of Brierfield on Friday, when a man walks up behind her, appears to grab her and then stab her in the neck.

A 30-year-old man was arrested on suspicion of murder after the incident in Brierfield, Lancashire.

Armed officers from Lancashire Police swiftly arrived at the scene in Briefield, near Nelson, Lancashire, shortly after 3pm on Friday.