The spokesman also said that Britain would keep reaching out to its counterparts in the European Union in search of an exit deal, and that the government hoped the bloc changed its position on the so-called Irish backstop, Reuters reports.
He specified that if this is not the case, UK will exit EU without an agreement, Johnson's spokesperson stated.
"Prime Minister is willing to sit down and negotiate, as soon as their position changes", his spokesperson said, Reuters reports.
Former London Mayor and engineer of Brocott Boris Johnson was announced today as the next UK prime minister and new Conservative Party leader.
He won in-house elections among 160,000 members of the Tories with 92,153 votes.
Johnson (55) will officially take over the post of prime minister tomorrow.
Challenges to the new prime minister
EU leaders meet today and tomorrow at a meeting in Brussels. They have to decide who will be the successor of Jean-Claude Juncker as President of the European Commission and who will head the European Central Bank, the European External Action Service and the European Council.
Bulgaria is represented by Prime Minister Boyko Borissov, writes BNT.