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The prime minister pledged an additional £75 million to the Border Security Command, bringing the total commitment for the next two years to £150 million.
The foreign secretary appeared to row back from his previous support for monetary reparations on a visit to Nigeria, but left door open for non-finance deals.
The National Audit Office also said that up to 60 percent of medium-rise and high-rise buildings covered in flammable cladding have not been identified.