Polls are open in West Lancashire as voters in the constituency head to the ballot boxes to choose their next MP. The seat is up for grabs after veteran Labour MP Rosie Cooper resigned in November to become chairwoman of the Mersey Care NHS Foundation Trust. The MP was the victim of a plot to kill her by an alleged member of the banned neo-Nazi group National Action and admitted the stress of what happened had "taken its toll". Ms Cooper, 72, has held the constituency since 2005, securing more than 52% of the vote and a majority of 8,336...