Man who drove at Maida Vale woman’s killer says he was trying to save her

Motorist asks police to de-arrest him and to treat him as a witness to Yasmine Chkaifi's killing by her ex

A motorist who says he was trying to prevent a woman from being stabbed to death when he drove his car into her attacker has urged the police to reverse a decision to arrest him on suspicion of murder.

Yasmine Chkaifi, 43, was repeatedly and fatally stabbed by her ex-husband Leon McCaskre, 41, on a pavement in London's Maida Vale on Monday morning. The motorist drove his blue Renault Clio into McCaskre, killing him.