Theresa May has faced fresh questions over the destruction of thousands of landing cards amid the escalating row over the treatment of the Windrush generation.
Documents recording the arrival of children of Caribbean migrants were destroyed by the Home Office in 2010 - when Ms May was home secretary - but she tried to blame the previous Labour administration by saying the decision was taken in 2009.
Downing Street later said it was an "operational" decision taken by officials rather than ministers, but Lord Kerslake, a former head of the civil service, said it was "pretty unlikely" that the Home Office would destroy records.
The row began when it emerged many of the Windrush generation had been denied medical care, lost their jobs or threatened with deportation to Caribbean countries they left as children.
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