“The Withdrawal Agreement is not open for renegotiation, and we have been informed on the state of play on planning for a no-deal scenario”, he said.
Donald Tusk has also accused the UK of "wasting time" over Brexit as the Tories plunge into a month-long leadership battle.
"When it comes to Brexit as such, yes, I am afraid that you are wasting time. But of course, I can understand why. The internal problems the political transformation in London this is also what we should respect,” the Mirror reports.
The European Council President also said he was "not happy" with Britain's political turmoil even though he can understand it is "political reality".
“Now we are waiting for the new British Prime Minister and we have to be very precise and also patient in waiting for the decisions,” Tusk said.
Earlier, it was reported that on April 10, 27 EU countries and the United Kingdom agreed on a flexible reprieve until October 31.
However, the British assumed that Brexit would be delayed for a shorter time. In particular, on 9 April, the British Parliament voted in favor of Prime Minister Theresa May’s plan to postpone Brexit until 30 June.
Ukraine created a delegation for negotiations with the UK about cooperation after Brexit. The delegation was headed by Ukraine's State Secretary of the Ministry of Economic Development and Trade. It consisted of 21 people, among them deputy ministers who deal with European integration issues.