Police apprehend Tasered man (picture courtesy Grant Shepherd)
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Man with knives Tasered outside Buckingham Palace

3 February 2013 Last updated at 18:17 GMT

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.

Richard Lister reports.

Mobile footage courtesy of Josh Greenberg and Grant Shepherd.