Brexit Would 'Tear Apart UK' - Former PMs

Sir John Major has warned that Brexit could "tear apart the UK" and trigger instability in Northern Ireland. Speaking alongside Tony Blair in Northern Ireland, Sir John said it would be a "historic mistake" to do anything that would undermine the peace settlement. In a significant moment in the campaign, with the two old adversaries alongside each other, the former Conservative prime minister said relations had never been better and he worried about a British exit that would "leave Ireland on th