UK told it must table proposals for Irish backstop by next week

The taoiseach, Leo Varadkar, at the United Nations general assembly in New York. Photograph: Jason DeCrow/APBoris Johnson must table written proposals within a week to fix “gaping holes” in his plans for the Irish border, the EU has said, as a former Irish taoiseach cited the IRA’s attempt to kill Margaret Thatcher as the violence he risked fuelling.EU diplomats briefed by the European commission on the latest proposals from London, including a fourth confidential paper, sugges