Will Chalk

Britain was with America from the start of the war in Afghanistan right up until the chaotic end 20 years later.

But instead of expressing gratitude, as have previous US presidents, this one has caused outrage and offence.

I asked our North America correspondent, David Willis, what response there have been from the White House to Keir Starmer's angry words.

Defiance, I would say.

Well, the White House Deputy Press Secretary, Anna Kelly, released a statement which says as follows.

President Trump is right.

America's contributions to NATO dwarf that of other countries and his success in delivering a 5 percent spending plan.

pledge from NATO allies is helping Europe take greater responsibility for its own defence.

And the statement goes on to say the United States is the only NATO partner who can protect Greenland.

The president is advancing NATO interests in doing so.

Well, that statement really takes no account, does it, of the outrage and the indignation that's being expressed across the political spectrum in the UK and elsewhere over NATO.

Donald Trump's assertion that NATO troops shied away from the front lines in Afghanistan, the figures show that whilst 2,356 US servicemen and women died during operations there, Britain lost 457.

of its own, and other NATO countries made similar sacrifices, of course.

Now, the BBC has heard from the former US National Security Advisor, H.R.

McMaster, who served in the first Trump administration, and he called President Trump's remarks insulting.

That sentiment was echoed by the former US ambassador to NATO, Kirk Volker, who said that the President simply didn't know what he was saying.

Well, there have been numerous calls for an apology, but that's not traditionally Donald Trump's style, is it?

Not really, and I think the chances of that are slim to non-existent.

This is a president who is given to shooting from the hip, who doesn't relish being seen as weak, and who doesn't like to back down.

And over the course of the last week, he's railed against supposed allies and friends on a variety of different fronts, not least over his desire to acquire Greenland, reserving particular disdain for NATO, claiming that fellow allies