London Bridge attack: Minute's silence held on eve of first anniversary

London Bridge attack: Minute's silence held on eve of first anniversary; ENGLAND: London: Borough Market: EXT Man rings bell in market area for start of minute's silence (on eve of first anniversary of London Bridge Attack) Market traders and shoppers stand for minute silence 'Unity' sign/ Samantha Wallace (Market Trader) interview SOT/ Matthew Jones (Market Trader) interview SOT/ Chris Stewart (Market Trader) interview SOT/ Borough Market sign and walkway Restaurants alongside Borough Market Parked police car alongside market area/ GV London Bridge with light traffic and pedestrians in evening light