LONDON, ENGLAND - MARCH 16: Prime Minister of Canada Mark Carney leaves 10 Downing Street on March 16, 2026 in London, England. Starmer and Carney are meeting to discuss a wide range of topics including security, the global economy, and the current situation in the Middle East. (Photo by Brook Mitchell - WPA Pool/Getty Images)

LONDON, ENGLAND - MARCH 16: Prime Minister of Canada Mark Carney shakes hands with Prime Minister of the United Kingdom Keir Starmer at 10 Downing Street on March 16, 2026 in London, England. Starmer and Carney are meeting to discuss a wide range of topics including security, the global economy, and the current situation in the Middle East. (Photo by Brook Mitchell - WPA Pool/Getty Images)

LONDON, ENGLAND - MARCH 16: Prime Minister of Canada Mark Carney meets with Prime Minister of the United Kingdom Keir Starmer at 10 Downing Street on March 16, 2026 in London, England. Starmer and Carney are meeting to discuss a wide range of topics including security, the global economy, and the current situation in the Middle East. (Photo by Brook Mitchell - WPA Pool/Getty Images)

LONDON, ENGLAND - MARCH 16: Prime Minister of Canada Mark Carney meets with Prime Minister of the United Kingdom Keir Starmer at 10 Downing Street on March 16, 2026 in London, England. Starmer and Carney are meeting to discuss a wide range of topics including security, the global economy, and the current situation in the Middle East. (Photo by Brook Mitchell - WPA Pool/Getty Images)

LONDON, ENGLAND - MARCH 16: Prime Minister of Canada Mark Carney shakes hands with Prime Minister of the United Kingdom Keir Starmer at 10 Downing Street on March 16, 2026 in London, England. Starmer and Carney are meeting to discuss a wide range of topics including security, the global economy, and the current situation in the Middle East. (Photo by Brook Mitchell - WPA Pool/Getty Images)

LONDON, ENGLAND - MARCH 16: Prime Minister of Canada Mark Carney meets with Prime Minister of the United Kingdom Keir Starmer at 10 Downing Street on March 16, 2026 in London, England. Starmer and Carney are meeting to discuss a wide range of topics including security, the global economy, and the current situation in the Middle East. (Photo by Brook Mitchell - WPA Pool/Getty Images)

LONDON, ENGLAND - MARCH 16: Prime Minister of Canada Mark Carney meets with Prime Minister of the United Kingdom Keir Starmer at 10 Downing Street on March 16, 2026 in London, England. Starmer and Carney are meeting to discuss a wide range of topics including security, the global economy, and the current situation in the Middle East. (Photo by Brook Mitchell - WPA Pool/Getty Images)

LONDON, ENGLAND - MARCH 16: Prime Minister of Canada Mark Carney meets with Prime Minister of the United Kingdom Keir Starmer at 10 Downing Street on March 16, 2026 in London, England. Starmer and Carney are meeting to discuss a wide range of topics including security, the global economy, and the current situation in the Middle East. (Photo by Brook Mitchell - WPA Pool/Getty Images)