"The ball is now in your court" on Brexit, European Council President Donald Tusk told British Prime Minister Theresa May at a meeting in London on Thursday, the Press Association reported.
Tusk said he wanted Britain to launch the two-year process that would remove Britain from the European Union "as soon as possible" in talks ahead of a meeting of the other 27 EU leaders in Bratislava next week.
Next week's summit, the first not to include Britain since British voters delivered the surprise Leave result in the June 23 referendum, would "discuss the political consequences of Brexit," Tusk said.
Tusk stressed that all 27 remaining member states were waiting for Britain to trigger Article 50 of the Lisbon Treaty, the formal step required to start the departure process.
"To put it simply, the ball is now in your court," Tusk told May. "I have no doubt that at the end of the day our common strategic goal is to establish the closest possible relations," he said.
May said she wanted a smooth process, and added that she and Tusk had serious issues to discuss.