LUXEMBOURG—Europe’s top court said it would decide “quickly” on whether Britain can unilaterally reverse its decision to leave the European Union, a ruling that supporters of EU membership hope could lead to a second referendum and ultimately stop Brexit.
Lawyers for a group of Scottish politicians want the European Court of Justice (ECJ) to interpret whether Britain can revoke its notice to withdraw from the EU under Article 50 of the Lisbon Treaty, without the agreement of the other 27 states.
