As London Lifeboat Week launched yesterday, the Tower lifeboat was scrambled to reports of a man stuck on an abandoned jetty.
Today volunteers from the Royal National Lifeboat Institution will take to the streets in their yellow jackets and oilskins to collect donations for the charity.
More top news
Three people are in a critical condition and two more were hurt after a car crashed into a wall and hit pedestrians in south London.
Vauxhall Underground closed after man stabbed early this morning.
Oscar nominated film The Salesman will be screened for up 10 000 people for free in Trafalgar Square as part of the #LondonIsOpen campaign