The Health and Safety Executive is investigating the explosion which happened on Pimlico Road in central London, yesterday morning.
"We are aware of this and we are making inquiries into what happened."
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Expect some sunny spells with odd spots of rain for Sunday morning with scattered, heavy and possibly thundery showers in the afternoon.
Detectives have released a CCTV image as they hunt for man who sexually assaulted woman at bus stop in east London.
Shops and restaurants on the route of the Notting Hill Carnival have boarded up as shop-keepers and residents aim to protect their property.