The president of the European Council's told the British Prime Minister the ball is in her court, as they discussed the UK's decision to leave the EU.
Donald Tusk says it's a “crucial time” for Britain – and for the European Union.
Theresa May told him she wants a “smooth” process but that they had “serious issues” to discuss.
Mr Tusk's urging her to invoke article 50 'as soon as possible'.
