Subscriber OnlyPoliticsBoris Johnson Issues Ultimatum as EU Balks at His Brexit PlanU.K. leader to outline terms of his deal to Tory conferenceIrish government says proposals will not deliver an exit dealWhat Led To The Backstop?ByRobert Hutton and Kitty Donaldson+FollowOctober 2, 2019, 12:10 AM UTCUpdated onOctober 2, 2019, 6:59 AM UTCFollow @Brexit and sign up to our Brexit Bulletin. Boris Johnson is poised to issue an ultimatum to the European Union on Wednesday: negotiate Brexit on his terms within the next nine days, or face a no-deal divorce. A key EU player has already rejected the prime minister’s plan.