The Sun reports Alfie Allen, the brother of Lily Allen, was arrested on Thursday (March 1) when their mother Alison called police claiming he had assaulted her at her London home. A source said: “It was a family argument that got out of hand. There was some argy-bargy which led to Alison calling police. But I think she now wishes she hadn’t dialled 999.” A neighbor said: “Two police cars converged on the house with blue lights flashing. It was very dramatic.” Read more.