2 hours ago Sir John Curtice Professor of politics, Strathclyde University BBC Thursday's election results have confirmed that electoral politics in Britain has become highly fragmented. Reform UK was certainly the winner of the English local elections. The party has won most seats and votes. It will end up with well over 1,000 net gains. Meanwhile in a sample of more than 500 council wards where the BBC collected detailed voting figures, the party recorded an average vote share of 25% - not an especially high figure but still enough to put Reform well ahead of its rivals. Nigel Farage's party has done best in places that voted heavily for Brexit in 2016. In wards where more than 60% voted for Leave, support for Reform has averaged 40%. In contrast, in places where less than 40% backed Brexit, Reform won on average just 10%. The Greens' success was more modest, but still represented their best election result ever. They have averaged 17% of the vote.…