Police officers have been highly visible in central London today, as the Metropolitan Police launched a crack-down on crime in the West End.
'Operation Trafalgar' is designed to tackle crime, disorder and anti-social behaviour in the heart of London.
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Police arrived at the 73-year-old's home after Alfie chased a delivery man.
Officers believe the three assaults are linked and are appealing for information about the suspect.
Nine addresses in Lewisham were searched and 13 arrests made early on Tuesday morning in a planned, intelligence-led operation.