LONDON, ENGLAND - MARCH 16: Prime Minister of the United Kingdom Keir Starmer (2nd L) and his wife Victoria Starmer (2nd R) welcome Prime Minister of Canada Mark Carney (L) and his wife Diana Fox Carney (R) to No.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: (L-R) Prime Minister of Canada Mark Carney, Prime Minister of the United Kingdom Keir Starmer, Victoria Starmer and Diana Fox Carney pose on the steps of No.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 the United Kingdom Keir Starmer and his wife Victoria Starmer (R) prepare to welcome Prime Minister of Canada Mark Carney and his wife Diana Fox Carney to No.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: (L-R) Prime Minister of Canada Mark Carney, Prime Minister of the United Kingdom Keir Starmer, Victoria Starmer and Diana Fox Carney pose on the steps of No.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: (L-R) Prime Minister of Canada Mark Carney, Prime Minister of the United Kingdom Keir Starmer, Victoria Starmer and Diana Fox Carney pose on the steps of No.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 the United Kingdom Keir Starmer (L) and his wife Victoria Starmer (2nd L) welcome Prime Minister of Canada Mark Carney (2nd R) and his wife Diana Fox Carney (R) to No.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 Dan Kitwood/Getty Images)

LONDON, ENGLAND - MARCH 16: Prime Minister of the United Kingdom Keir Starmer and his wife Victoria Starmer prepare to welcome Prime Minister of Canada Mark Carney and his wife Diana Fox Carney to No.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 Dan Kitwood/Getty Images)

LONDON, ENGLAND - MARCH 16: Prime Minister of the United Kingdom Keir Starmer (L) and his wife Victoria Starmer (2nd R) welcome Prime Minister of Canada Mark Carney (2nd L) and his wife Diana Fox Carney (R) to No.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 Dan Kitwood/Getty Images)