Frank Field: MP who resigned Labour whip considers triggering by-election

A prominent MP who ditched the Labour whip - calling the party a "force for anti-Semitism" - has revealed he could resign and trigger a by-election.Frank Field said he was "obviously thinking" about resigning from the Commons so he could stand again as an independent candidate.The Birkenhead MP, who has been in parliament for 39 years, said he would prefer to stand as the Labour candidate in a general election.