Cyclists are calling for London's mayoral candidates to make the capital more bike-friendly.
They're staging a 'Big Ride' from Park Lane to Victoria Embankment, which they say will be the city's largest-ever event in support of safer streets for cycling.
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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.
The Purple Rain singer died in April 2016