Residents are evacuated from their homes on the Chalcots estate in Camden, north London, over fire safety concerns Stefan Rousseau/Press Association

Theresa May said people will be evacuated from tower blocks across the country if necessary as she pledged government support to councils responding to the fallout from the Grenfell Tower fire.

Mrs May said she will do “what is necessary” to ensure people removed from blocks, like in Camden last night, have somewhere to stay, adding that work is done to make the buildings safe.

Twenty-seven high-rise towers in 15 council areas have failed fire safety tests over their cladding, the government announced this morning. The Department of Communities and Local Government revised its previous estimate up from 11 after tests were carried out across Britain in the wake of the Grenfell Tower fire, in which 79 people are thought to have died.

A well…