This is The Guardian.

These kind of tariffs are potentially economy crippling, so it would have set off a wave of panic inside number 10.

The use of tariffs against allies is completely wrong.

It is not the right way to resolve differences within an alliance.

It's almost the easiest to understand Trump as a mafia boss.

You know, there's this idea he deals in deals.

He doesn't. He deals in threats.

If you thought the days of trade war threats were over, sadly you were wrong.

Donald Trump is yet again threatening tariffs.

So is the UK's more diplomatic approach going to work?

From the Guardians today in focus, this is the latest with me, Lucy Hoff.

Joining me is Peter Walker, senior political correspondent at The Guardian.

So, Peter, you were at Kier-Slamas press conference, emergency press conference this morning.

We'll come on to the substance and the tone of what he said in a moment.

But first of all, just talk us through the events of the weekend,

because Saturday was the big day, wasn't it, when we got this sudden threat that the UK

was one of eight European countries that Donald Trump was threatening with tariffs,

if effectively they didn't hand over Greenland. It's all very weird, even by the standards of

Donald Trump land, which is a kind of ever-changing

feast, you know, a kind of news feast. And it's fascinating and, you know, quite alarming for us,

but if you're in number 10, you must just kind of dread what the next thing is. I mean,

the UK in terms of tariffs has thus far largely escaped the worst of them. And number 10 are very, very keen to put this down for the fact,

...