If border posts return to Northern Ireland they will be attacked, according to the Taoiseach.
Leo Varadkar says they’ll become natural targets for people if they have to be re-established post-Brexit.
But he believes there won’t be a return to the violence of the past in Northern Ireland.
Speaking in the US at the start of a week-long St Patrick’s Day visit, Leo Varadkar said certain tensions could be re-ignited by a hard border:
