LONDON, ENGLAND - JUNE 14: Firefighters and Ambulance crews as Grenfell Tower is engulfed by fire on June 14, 2017 in West London. The Mayor of London, Sadiq Khan, has declared the fire a major incident as more than 200 firefighters are still tackling the blaze while at least 50 people are receiving hospital treatment (Photo by Kate Green/Anadolu Agency/Getty Images)
