Around 100 firefighters battled a blaze on the top floor of a block of flats in north-west London early on Thursday.Fifty people were evacuated from the block, while firefighters helped bring out two people on the first floor of the building.The London Fire Brigade (LFB) said 15 engines attended the scene in Inglewood Road, West Hampstead, after being called at just after 1am.About four-and-a-half hours later, the LFB said the fire was under control and no one was taken to hospital.The fire, which was visible for miles, was on the fifth, and top, floor of the building and the cause was not yet known, LFB added. Just spoke to @bbc5live about the fire in #westhampstead – we can see flames billowing into the sky & heat glass breaking from the windows blowing out. pic.twitter.com/4EFdKcLlOA— Angelica Malin (@jellymalin) July 26, 2018 Clainton Murray, station manager, said: “The fire is believed to have started in a flat on the fourth floor.”The flat was severely damaged by fire and a large part of the roof was also destroyed. In the early stages the fire was very visible and could be seen for miles around.” “It’s so scary – my flat is filled with the smell of smoke. The firemen have been amazing and I feel comforted by the incredible response.” The nearby Black Lion pub, on West End Lane, opened its doors to people affected by the blaze.A tweet read: “Please anyone near stay safe. We will be here all night.”Angelica Malin described watching the blaze from her bedroom window. Firefighters tackle a blaze in a block of flats on fire in West Hampstead, LondonCredit:Reuters “I can see firefighters inside as the roof is on fire and there’s two men on cranes working on putting the roof fire out,” she told the BBC. Unbelievable to see this [email protected] back garden. Hoping no casualties but fire under control now. #WestHampstead @LondonFire pic.twitter.com/pQBWZlZOvE— matt (@matt4lis) July 26, 2018 Want the best of The Telegraph direct to your email and WhatsApp? Sign up to our free twice-daily Front Page newsletter and new audio briefings.