White Muslim convert Richard Dart and a former police community support officer were among six people arrested for allegedly plotting a terror attack in Britain.Richard Dart, who was radicalised by the cleric Anjem Choudary, was held following police raids in east and west London. A former PCSO and two of his brothers, who were living just over a mile from the Olympic site in Stratford, were also among those detained during the police and MI5 operation to prevent a suspected terror assault. One of the brothers was Tasered by officers. Counter-terrorism police had first searched their home last November. The...