Jeremy Corbyn has accused Keir Starmer of a “flagrant attack” on democracy by barring him from standing as a Labour candidate, as allies said he was likely to run as an independent. It comes as Starmer confirmed the former Labour leader would not be allowed to run for the party. In a statement on Twitter, Corbyn said party members and constituents were being denied their choice for representation. Corbyn said members should be given the deciding power for who fought the next election. “Any attempt to block my candidacy is a denial of due process, and should be opposed by...