A man approaches a woman walking home at night. He demands her handbag and, when she hesitates, he grabs her by the arm and pulls the bag from her shoulder. He then runs off with the bag. The police arrest him the following day. The Crown Prosecution Service is considering what charge to bring against him.
Which of the following best describes the elements that must be proved for the offence of robbery under s.8 of the Theft Act 1968?