Breaking London fire: Lives claimed at Grenfell Tower
Source: BBC- There have been a "number of fatalities" after a huge fire raged through the night at a west London tower block, London Fire Brigade says.
Scroll down and watch the video
Firefighters are still tackling the blaze at Grenfell Tower in north Kensington, where eyewitnesses reported seeing people trapped inside.
Thirty people are being treated in hospital, says London Ambulance.
The BBC's Andy Moore said the whole 24-storey block had been alight and there were fears the building might collapse.
Latest updates as fire rips through tower block
Eyewitnesses said they saw lights - thought to be mobile phones or torches - flashing at the top of the block of flats, and trapped residents coming to their windows.