Sir Keir Starmer has effectively ruled out Jeremy Corbyn standing as a Labour MP again.The Labour leader said “he doesn't see the circumstances" in which his predecessor will defend his seat in Islington North for the party at the next election.He told BBC Radio 4: “I don't see the circumstances in which that can happen.“We have not got to the selection of that particular constituency yet, but I don't see the circumstances in which Jeremy Corbyn will stand as a Labour candidate."Asked about whether Mr Corbyn would stand as an independent candidate against Labour, Sir Keir replied: "I can only speak for the Labour party.