- 32 updates
Theresa May's team believe her meeting with Donald Trump went "as well as it possibly could have done", ITV News Political Editor Robert Peston told News At Ten.
He said there were signs of the "beginning of a good relationship" but "the hard work starts now".
Meanwhile, ITV News Washington Correspondent Robert Moore said that the president had delivered a "measured and disciplined" performance and that the day had been a "victory of sorts" for those hoping Mr Trump will become more of a "conventional" figure than he was on the campaign trail.
Watch the full analysis by our correspondents:
Following their first meeting, Theresa May and Donald Trump have indicated that they will look to co-operate closely on a range of topics.
With Brexit negotiations and diplomatic issues in Europe and the Middle East at hand, ITV News Political Correspondent Paul Brand looks at how the two leaders might look to position themselves on the world stage.
Theresa May has a new picture of Abraham Lincoln and Donald Trump a traditional Scottish cup - after the pair gave gifts to each other.
The Prime Minister received a framed image of the former American President from the 1865 edition of Harper's Weekly magazine, courtesy of Mr Trump.
Accompanying the gift was a line from Lincoln's inauguration address, touching on "malice toward none, with charity for all."
Meanwhile, Mrs May presented the President with a traditional Scottish cup, known as a "quaich," reflecting Mr Trump's Scottish ancestry.
First Lady Melania Trump gave a pair of silver cuff-links to Mrs May's husband Philip, while he gifted her with a hamper filled with apple juice, jam, marmalade, Bakewell tarts, cranberries and white chocolate "sorties."
Donald Trump and Theresa May held hands as they walked from the Oval Office this afternoon.
The two world leaders were filmed briefly holding hands while outside the White House.
US President Donald Trump has made a 100% commitment to Nato, according to Theresa May.
ITV News Political Editor Robert Peston said: "He didn't actually confirm that, but I assume those words were agreed.
"It means an organisation vital to our security and defence is going to be supported by the new president".
Theresa May has become the first head of government to sign the White House guest book under US President Donald Trump.
White House press secretary Sean Spicer posted an image of the historic event on his official Twitter page.
Donald Trump and Theresa May spoke of their pleasure at having a bust of Sir Winston Churchill moved back into the Oval Office.
Posing for cameras, the pair shook hands in front of the bust of Britain's World War II leader - removed from the office by Barack Obama.
The President quipped: "We'll see one picture tomorrow in the papers."
Referring to the bust, brought back by Mr Trump, the President said: "This is the original, folks. The original, in many ways.
"It's a great honour to have Winston Churchill back."
Mrs May laughed and responded that she was "very pleased."
Latest ITV News reports
To be clear, this was as benign and accident-free a start to a new "special" relationship as Theresa May and her advisers could have wanted.
Voice and body language expert Caroline Goyder writes for ITV News about the signals given off during the meeting between the two leaders.