UK Prime Minister Sir Keir Starmer is considering making a significant increase in defence spending, the BBC has learned. Last year Starmer promised to spend 2.5% of national economic output – measured as gross domestic product (GDP) - on core defence by April 2027. Now, Downing Street is mulling over the idea of meeting the existing spending target earlier than planned at a potential cost of billions of pounds. The PM signalled his attitude over the weekend at the Munich Security Conference,