Residents in Greenwich say they are still waiting for their park to be cleared four weeks after the end of the Olympic and Paralympic games.
Greenwich Park was the location for the equestrian events - something local protesters say it wasn't suitable for.
Ria Chatterjee reports.
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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.