London's Grenfell Tower, built in the 1970s, is 27 stories tall and the subject of years of desperate complaints by its residents concerning safety. Last night it was completely consumed by fire, claiming the lives of at least six residents and sending hundreds more to hospital. Witnesses report that they heard no alarms and saw no sprinklers, despite a recent "renovation." Eyewitnesses described people trapped in the burning Grenfell Tower, in north Kensington, screaming for help and yelling for their children to be saved. Firefighters rescued "large numbers", but London Mayor Sadiq Khan said "a lot" of people were unaccounted for. The 24-storey block, which is still on fire, looks at risk of collapsing. During the night, 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 - some holding children. https://www.youtube.com/watch?v=lVI2D_FFMms The Grenfell residents association's blog amounts to years of postings, desperately pleading with local government and the Kensington and Chelsea Tenant Management Organisation for their lives, in full knowledge that they would soon lose them.