Cyclists will stage another mass protest later tonight demanding Boris Johnson to redesign London's streets, saying they need to be made safer for cycling.
Three cyclists have died on the capital's roads in the past three weeks.
Luke Handrahan reports.
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A 24-year-old man has been arrested on suspicion of murder after the body washed up on the Thames shoreline.
Seven people have now been arrested after a man died from serious head injuries
The 38-year-old officer was on his way home from a night shift when he collapsed. His death is not being treated as suspicious.