Combustible materials were added to Grenfell Tower cladding, inquiry hears

People embrace each other at the foot of Grenfell Tower in west London on the first anniversary of the fire that killed 72 people.Additional combustible materials were added to the cladding of Grenfell Tower that were not in the design, the public inquiry has heard, while features to stop fire spreading through the facade were missing or installed upside down.Dr Barbara Lane, a director at the Arup consultancy appointed as a technical expert by the inquiry, made the discoveries during five days