Trump said he no longer thinks purely about peace and refused to rule out military action to take Greenland, a Danish territory. The remarks, ahead of Davos, drew criticism in Europe and revived tensions over transatlantic security and Nato burden-sharing.

The PM warns a row over new US tariffs risks a damaging downward spiral for transatlantic trade. He will deliver an emergency statement on Greenland, urging allied coordination to protect British interests and pursue a negotiated, rules‑based path to de‑escalate tensions.

Senior ministers are urging the PM to dismiss Wes Streeting, accusing the health secretary of disloyalty and fuelling divisions with blunt briefings and policy freelancing on NHS reform. Allies of Streeting reject this, saying he is focused on delivery and acceptable debate.

Robert Jenrick has joined Reform UK after being sacked by Kemi Badenoch for holding undisclosed talks with Nigel Farage. The Tories say they acted pre-emptively; Jenrick says the party has lost its way on migration and tax. His switch threatens to split the right-of-centre vote.