Theresa May struggles to rally support among EU leaders for new customs plan

Theresa May, front left, meets with taoiseach Leo Varadkar, front right, on the sidelines of a summit in Bulgaria.A bold attempt by Theresa May to crack the Brexit impasse ran into trouble on Thursday as the Irish prime minister warned a new customs plan signed off by her warring ministers could be insufficient to avoid a hard border.The prime minister has persuaded reluctant Brexiters to agree to a plan to continue applying EU tariffs beyond the end of 2020, if no agreement has been reached to