Allegations that the Duke was covertly brought into Windsor Castle for private discussions with the King have sparked a fierce dispute, raising questions about unapproved access and formal oversight.

Britain is urged to adopt Singapore’s model by leveraging post-Brexit freedoms and tackling US tariffs, in order to strengthen and reshape the country’s economy.

Trump has imposed new reciprocal tariffs, including a 10 per cent levy on Britain, sparking concern among UK officials and global partners over potential economic and diplomatic repercussions.

Starmer is making a last-minute push to prevent a damaging trade war, with No 10 preparing concessions to avert harsh tariffs from the US.