By John Irish KANANASKIS, Alberta (Reuters) -French President Emmanuel Macron on Tuesday underlined his differences with U.S. President Donald Trump over Iran, appearing to oppose tougher military action against Tehran that could lead to regime change and plunge Iran and the region into chaos.

French President Emmanuel Macron is openly clashing with U.S. President Donald Trump over the escalating tensions with Iran. Macron fears that Trump's increasingly aggressive rhetoric and potential military action could ignite a catastrophic "regime change" in Tehran,

KANANASKIS, Alberta (Reuters) -French President Emmanuel Macron said on Tuesday he was against military action against Iran that could lead to regime change and potential chaos, calling for a ceasefire with a return to negotiations over its nuclear programme.

French President Emmanuel Macron has fired back at comments from US President Donald Trump, as the pair offer differing opinions on why Trump left the G7 summit in Canada early. The US government had justified Trump's early departure from the summit in Kananaskis because of the Middle East crisis.

Donald Trump said his French counterpart Emmanuel Macron was wrong about the reason the US president left the G7 summit in Canada early, saying it was not to work on an Israel-Iran ceasefire.