BBC Video: Taser gun used on man with knives outside Buckingham Palace
3 February 2013 Last updated at 12:19 ET Taser gun used on man with knives outside Buckingham Palace Mobile footage, courtesy of Josh Greenberg and Grant Shepherd shows the man being Tasered before police disarm him Police have used a Taser stun gun on a man who was brandishing two knives outside Buckingham Palace in London. An officer discharged the weapon when the man, thought to be in his 50s, acted aggressively when challenged outside the centre gates at 11:50 GMT. The Metropolitan Police said he had been arrested on suspicion of affray. Two knives and a pair of trainers were left inside a police cordon set up around the area. The Queen and Prince Philip were at Sandringham at the time. Advertisement Eyewitness Kevin Burrows tells the BBC police acted "very quickly" Changing the Guard A spokesman for the Met said: "A man was seen outside the centre gate in possession of two knives. "He was not making th