The King's Troop Royal Horse Artillery fired a traditional 41 Gun Royal Salute at Green Park today, to mark the Queen's 88th Birthday. Queen Elizabeth is spending the day in private at Windsor Castle.
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The tribute has been set up to mark the four terrorist atrocities that took place in the city last year.
Six officers opened fire at a property in Hackney in the early hours of Tuesday morning.
A man in his twenties has died from stab wounds after police were called to a disturbance at the Stratford Centre on Tuesday night.