Home Secretary Shabana Mahmood is to press ahead with reforms to the asylum and immigration system, despite the loss of a once-safe Labour seat to the Greens in the Gorton and Denton by-election. The Green Party of England and Wales has criticised Labour's stance on immigration – with its leader Zack Polanski recently accusing the party of echoing "the racist rhetoric of the far right". The Greens have also called for asylum seekers to be given the right to work. Following the Greens' victory at Thursday's by-election, some Labour MPs have warned ministers not to try to "out-Reform Reform [UK]". But a source close to Mahmood has told the BBC that the government should not learn the wrong lessons from the by-election result - and that it was "wrong" to assume Muslim voters were deserting Labour over immigration.…