British Jihadis plan to blow up the Queen next weekend at an event to mark the anniversary of the end of the Second World War. The Mail on Sunday can reveal that police and MI5 are involved in a frantic race against time to thwart the assassination plot being orchestrated from Syria by Islamic State commanders. The extremists aim to strike on Saturday by exploding a deadly pressure cooker bomb during events in Central London to mark the 70th. anniversary of VJ Day - Victory in Japan.