LONDON, June 18 – The northern English area of Makerfield votes on Thursday in a local election that could return Greater Manchester Mayor Andy Burnham to parliament, paving the way for him to launch a bid to take over as prime minister.The election, triggered by a party colleague resigning his seat, has brought unusual attention to the former coal mining area near Manchester as its result will determine the shape of an inevitable challenge to the deeply unpopular Keir Starmer.