Cladding on 34 tower blocks in 17 council areas in England has failed fire safety tests, the government says.
So far, every sample has failed the tests. The government plans to examine cladding from up to 600 blocks.
The updated figures came as people from the Chalcots Estate in Swiss Cottage, north London, spent a second night away from their homes.
But - across the country - not every block that fails safety tests will be evacuated.
Four of the five blocks on the Chalcots Estate were evacuated on Friday because of fears over cladding, gas pipes, and fire doors.
Camden Council said it had no option but to move residents from 650 flats while work takes place.
But Communities Secretary Sajid Javid - while agreeing with the decision in Camden - said: "A failure in testing of the cladding does not necessarily mean that a building will have to be evacuated.
"The decision by Camden council was because the failed testing of the external cladding was compounded by multiple other fire safety failures."
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Why UPTO? That could mean none!!!!!
So 34 have been done. But if only ONE MORE tower gets checked then they will have fulfilled their 'UPTO' pledge.