Donald Trump has warned he will impose 100% tariffs on a wide range of imports within 50 days unless the ongoing eastern European crisis is resolved, a show of economic pressure welcomed in London and across allied capitals while analysts question its wider impact on trade and diplomacy.

Germany has urged arms manufacturers to expedite defence production, strengthening Europe’s military capabilities in a broad plan to modernise equipment.

Brussels is proposing an annual levy on large firms to bolster the EU’s budget, prompting debate over potential costs and effects on corporate operations.

The UK and France have agreed to a reciprocal scheme to address pressures caused by arrivals across the Channel, with the PM emphasising strengthened cooperation and the potential to streamline processes on both sides.