US President Donald Trump and Japanese Prime Minister Shigeru Ishiba met for 30 minutes on the sidelines of the Group of Seven summit on Monday, according to the Japanese government.

By John Irish, Jarrett Renshaw and Andreas Rinke KANANASKIS, Alberta (Reuters) -Group of Seven leaders faced early challenges during meetings in Canada on Monday as U.S. President Donald Trump said removing Russia from the former Group of Eight over a decade ago had been a mistake.

President Donald Trump issued an executive order on Friday approving U.S. Steel's merger with Japan's Nippon Steel, after the companies signed a national security agreement with the U.S. government.

Trump railed against former Prime Minister Justin Trudeau after that Group of Seven summit and threatened to yank the United States from a joint statement. The leaders fought over tariffs on steel and aluminum.

By Kanishka Singh WASHINGTON (Reuters) -Japanese Prime Minister Shigeru Ishiba and U.S. President Donald Trump held a phone call on Friday in which they discussed tariffs and Israel's attacks against Iran,

The 2018 summit ended with Trump assailing his Canadian hosts on social media as he departed on Air Force One, saying he had instructed the U.S. officials who remained in Quebec to oppose the G7 joint statement endorsed by the leaders of Japan, France, the United Kingdom, Italy, Germany and, of course, Canada.