Britain's UK Independence Party (UKIP) said today that it would re-start its election campaign with the launch of its policy pledges tomorrow, three days after a suicide bomber killed 22 people at a concert venue in Manchester. <br/><br/>Political parties agreed to suspend campaigning for the next month's 8th election until further notice after Monday's attack. While high-profile events remained cancelled today and are not expected to re-start for several days, some individual candidates have said they are resuming campaigning locally.<br/><br/>Opinion polls, the publication of which has also been paused, suggest Prime Minister Theresa May's ruling Conservatives are on track to win the election, although her double-digit poll lead had been narrowing before the attack.<br/><br/>UKIP had been due to launch its manifesto, setting out its election policy promises, today but postponed it after the attack.