A barrage of nationwide protests will greet US President Donald Trump's four-day trip to Britain from Thursday, with organisers hoping to stage one of the country's biggest demonstrations in decades following a series of diplomatic spats.
Awaiting him on the tarmac were three MV-22 Osprey helicopters belonging to the US Marines which are used to transport his staff and security detail on overseas trips.
Scotland Yard said the Welcome Trump procession was planning to join with a Free Tommy Robinson march, backing the jailed far-right activist.
On the USA embassy: Trump cancelled his first planned visit earlier this year, saying the embassy's move from Grosvenor Square in Mayfair district to an "off location" at Nine Elms, south of the Thames, was a "bad deal".
The President of the United States of America visits the UK this week, and if he was any other leader it would be a simple exercise in worldwide politics.
Trump's itinerary will keep him out of central London on Friday, when large protests are planned.
Organizers of anti-Trump rallies say they are not expecting any trouble at all - and that it would be very unlikely for any hostility to be directed at ordinary Americans. That prompted almost half a million people to sign a petition calling for Trump to be banned from the UK.
USA threatens to impose fresh tariffs on China
The International Monetary Fund has warned that a full-blown trade war could undermine the broadest global upswing in years. Adding duties on another $200 billion in imports from China could meaningfully increase the effect of the trade war .
At the time, Khan said he has more important things to do than respond to Trump's tweet, which he described as ill-informed and out-of-context.
The petition against Trump claimed an official state visit would be embarrassing for the Queen.
The state visit has never been scheduled - there is fierce opposition to it in many quarters of Britain - and this trip is part of a working visit instead, meaning, among other things, that Trump will overnight at Winfield House, the US ambassador's handsome residence near Regents Park rather than in Buckingham Palace or Windsor Castle as a guest of the queen.
Melania Trump, meanwhile, will be in the city at an event to meet schoolchildren and veterans with May's husband Phillip, Downing Street has revealed.
The President and the First Lady will attend a dinner, hosted by May, at Blenheim Palace - the ancestral home of Winston Churchill - on Thursday evening.
Trump will be holding talks at that time with May at Chequers, the 16th-century manor house outside London that serves as her official country retreat.
Trump will then go on to meet the Queen at Windsor Castle.
Mrs May will be seeking to improve her often publicly strained relationship with he U.S. president as she pushes for a post-Brexit trade deal with America.