14/06/2017 18:40 BST | Updated 14/06/2017 18:42 BST

Grenfell London Fire Eyewitness: People Trapped Were Screaming For Help

'They were turning their lights on hoping to be rescued.'

Denise Bloomfield described how she watched as people trapped in the Grenfell Tower turned their lights on and off in the hope of being rescued.

The blaze, which started in the White City tower block early Wednesday morning, has already claimed 12 lives.