London lifeboat crews saved 372 people last year, 25 of whom would almost certainly have died without the intervention of a lifeboat.
Annual statistics on the deployment of lifeboat crews reveal that Tower station near Waterloo Bridge was the busiest in the whole of the UK and Ireland last year, with crews called out almost 500 times.
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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.