Wes Streeting has reportedly said he would resign if Labour's defence plan does not go far enough on military spending, turning the debate over defence funding into a fresh political test for the government. The row centres on whether ministers will commit to raising defence spending to 3% by 2030.

According to the report, Streeting said he would leave the role as a matter of principle if the final plan falls short. That is a striking position to take so soon after taking the job, and it underlines how sensitive the issue has become inside Labour.

Pressure increased after the prime minister declined to give a firm pledge on the 3% target by 2030. That refusal leaves open questions about both the scale of any future increase and the timetable for reaching it, even as defence spending remains a major issue in national politics.

The disagreement highlights a wider problem for Labour as it tries to balance budget pressures with demands for stronger military funding. If the government stops short of the level some senior figures want, the argument could quickly become not just a spending dispute but a broader challenge over authority and cabinet unity.