Jean-Claude Juncker, the President of the EU Commission, has offered Theresa May his "warmest congratulations" on becoming prime minister of the UK.
In a note published on Twitter, Juncker wished her success in forming a new government, but mentioned the need to address the "new situation" following the UK's vote to leave the EU.
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The UK and the EU will remain the "closest of allies" following the "divorce" between them, the president of the European Council has said.Read the full story ›
"Yesterday's shining heroes of Brexit have become the sorrowful heroes of today," Mr Juncker told the European Parliament.
"They are retro-nationalists, not patriots. Patriots don't abandon the ship when the going gets tough. They stay on board."
Mr Juncker maintained that the EU will not negotiate any terms for Britain's departure from the EU until a new prime minister formally triggers the withdrawal process.
European Commission President Jean-Claude Juncker invited the former London mayor to Brussels to get a more 'accurate view of the EU'.Read the full story ›
Prime Minister David Cameron has received another blow in his battle with Europe over immigration rules, this time from the man he attempted - in vain - to deny gaining power in the European Commission.
Incoming EC president Jean-Claude Juncker labelled Cameron's bid to change the rules on freedom of movement in Europe as "irresponsible", echoing the stance of his predecessor José Manuel Barroso.
Cameron will tomorrow meet with the leaders of the other 27 nations in the European Union but is expected to face near complete opposition to his proposals to change one of the union's founding principles.
David Cameron and EU Commission President-elect Jean-Claude Juncker high-fived as they met to discuss the Prime Minister's EU reform agenda in Brussels.
Prime Minister David Cameron is meeting with the incoming President of the EU Commission, Jean-Claude Juncker, to discuss his reform agenda.
Prime Minister David Cameron will return to Brussels to try and secure a European Commission post for Britain today.
After failing to prevent Jean-Claude Juncker being installed EU president, Mr Cameron has announced that Lord Hill of Oareford is the UK's nomination to serve in his team.
The Prime Minister's spokesman said the peer would be treated with "very very considerable respect" by EU figures.
"In terms of the UK portfolio, our view about the importance of economic priorities to us hasn't changed and Lord Hill's nomination is fully consistent with that," the spokesman added.
European Union heads of state and government are set to attend the EU summit tomorrow, after Jean-Claude Juncker was elected head of European Commission.