Thames Water customers could see their bills come down in the future thanks to an environmentally friendly piece of engineering.
The utilities company has revealed plans to spend £250 million accelerating what it describes as a "vast 'poo power' programme" designed to ensure it generates a fifth of its electricity from waste that flows from the sewage works.
More top news
The Met Police has turned down the chance to take part in a challenge which is sweeping the internet.
You'll recognise Canary Wharf and the London skyline – minus the Shard, Gherkin and O2 arena.
Dry with clear spells tonight. Lows of 6°C