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
A teenager who was mistakenly released from prison after he was arrested on suspicion of attempted murder has been detained by police.
Is your street among London's trendiest hotspots?
Some of the best stories from the past week on itv.com/london. Got a story? Email us at firstname.lastname@example.org