World leaders gather at Arc de Triomphe in Paris for WWI centenary ceremony

World leaders gather at Arc de Triomphe in Paris for WWI centenary ceremony

Heads of state from around the world have gathered in Paris at the invitation of French President Emmanuel Macron to commemorate the centenary of the end of World War I. Macron earlier greeted arriving leaders at the Elysee Palace ahead of the main ceremony at the Tomb of the Unknown Soldier under the Arc de Triomphe on Sunday.