Tower block that went up in flames was in the middle of having cladding replacedSince the Grenfell Tower fire seven years ago, cladding has become the building industry's worst nightmare.
Source: Tower block that went up in flames was in the middle of having cladding replaced (https://news.sky.com/story/dagenham-fire-tower-block-that-went-up-in-flames-was-in-the-middle-of-having-cladding-replaced-13203744)