LONDON—British opposition Labour Party leader Jeremy Corbyn said he backed the U.K.’s membership in a customs union with the European Union when Britain leaves the bloc, hoping to engineer a parliamentary defeat over Brexit for Prime Minister Theresa May. After months on the sidelines of the Brexit debate, Mr. Corbyn’s position on the customs union, which enables tariff-free trade within it and sets common external tariffs on goods coming from outside, is designed to secure the backing of pro-EU members of Parliament in Mrs....

Source: Wall Street Journal February 26, 2018 13:41 UTC