One (not signed by him) asks to delay Brexit beyond Oct 31, the second makes clear the first is from Parliament – not the Government, and the third urges Brussels NOT to grant an extension
The first was letter demanded by the Remainer rebel Benn Act which asks the EU to delay Brexit until January, The second was a covering letter saying the first letter was from Parliament and not from the Prime Minister, The third was from the PM to Donald Tusk disavowing the first letter and making clear he does not want delay
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