The Labour leader, Jeremy Corbyn, has said he would remain neutral in a future Brexit referendum if his party wins power in a general election on 12th December.
He told BBC he would not campaign for Leave or Remain so it would allow him, as Prime Minister, what he put, to credibly carry out what the voters then decide.
Meanwhile, Prime Minister Boris Johnson has asked how Mr Corbyn could be indifferent on such a vital issue. But Mr Johnson faced questions of his own about whether he could be trusted.