Three more men have been arrested after a father of one was fatally stabbed outside a pub in Borough - with police believing the incident was a case of mistaken identity.
Father of one Christopher Foster was attacked by a hooded gang as he smoked a cigarette with a friend late in the evening on Friday November 26th.
Scotland Yard said three men aged 25, 29 and 33 were arrested today and remain in custody at a south London police station.
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PC Keith Palmer, 48, stabbed by Khalid Masood while on duty in the grounds of the Palace of Westminster last Wednesday.
Those gathered on the bridge fell silent at 2.40pm - the time the first call was made to police exactly seven days ago.
Simon Lucy, 61, filmed hundreds of hours worth of footage on the London Underground network.