A Parliamentary safety group is urging London Mayor Boris Johnson to hold a safety summit following the spate of cyclists' deaths in the capital. There was "a need for urgent action", said the Parliamentary Advisory Council for Transport Safety.
The mayor's cycling commissioner Andrew Gilligan has said that there are plans to upgrade the cycle superhighways, after five cyclists were killed in London.
The unlicensed events unfolded on Saturday night at Clapham Common and Tooting Bec Common.
A 37 year old man who was taken to hospital after getting into difficulty in a stretch of water near Maidenhead has died.
Jonty Bravery, who is mentally ill, has been jailed for 15 years after throwing a six year old boy from the Tate modern balcony.