United States President Donald Trump has told The Sunday Times newspaper the United Kingdom (UK) should opt "no-deal Brexit" with the European Union (EU) and avoid paying the already agreed $39 billion pounds divorce bill.
"He is a stone cold loser who should focus on crime in London, not me".
The first day of Mr Trump's state visit to the United Kingdom is set to include a private lunch with the Queen, tea with the Prince of Wales and the Duchess of Cornwall, and a state banquet at Buckingham Palace.
A majority of British voters decided in a 2016 referendum to leave the European Union.
"Sadiq is representing the progressive values of London and our country warning that Donald Trump is the most egregious example of a growing far-right threat around the globe, which is putting at risk the basic values that have defined our liberal democracies for more than 70 years".
Large protests are planned in London, while opposition politicians are also boycotting the state banquet on Monday night.
"If they don't get what they want, I would walk away", he said, touting the kind of "no-deal Brexit" supported by those on the extreme right-wing of British politics and dreaded by economists.
The centerpiece of the President's visit will be two days to mark the D-Day anniversary, likely the last significant commemoration most veterans of the battle will see.
The US President and the First Lady Melania Trump were greeted by Foreign Secretary Jeremy Hunt and US ambassador to the UK Woody Johnson at Stansted Airport on Monday morning as they began their three-day trip.
Hazard will give us a lot at Real Madrid, Ramos declares
Hazard has won two Premier League titles, two Europa League crowns, the FA Cup and the League Cup during his stint at Chelsea FC. If he comes, I think everyone will be very pleased". "He should be scoring more goals than perhaps he has up to now".
"The next prime minister should be chosen not by the USA president, nor by 100,000 unrepresentative Conservative party members, but by the British people in a general election", Corbyn said.
This message chimes with those of numerous candidates seeking to replace May, including Johnson.
"They want to meet".
Meanwhile, Mr Trump said he would have "to get to know" Jeremy Corbyn if he became prime minister before authorising the sharing of highly sensitive USA intelligence.
The president said the British government had to "get the deal closed".
Mr Trump is expected to threaten to limit intelligence sharing with London if the country continues with plans to allow Huawei to participate in 5G network contracts.
Ahead of the prime minister's official resignation at the end of this week - after which she will stay on in a caretaker role until the new Conservative leader is appointed - reports have suggested the Trump administration views the state visit as an opportunity for a "reset moment" on trade.
On Tuesday, a business breakfast will be hosted by Mr Trump and Prime Minister Theresa May, with the Duke of York at St James's Palace, with Barclays CEO Jes Staley and GlaxoSmithKline chief executive Emma Walmsley among those expected to attend.
He will then have a discussion with Prince Charles, the heir to the British throne who is known for speaking out against global warming - an issue Trump is dismissive of.