South Korean President Lee Jae-myung raised North Korean security issues during talks with Australia’s leader on the sidelines of the G7 summit in Canada on Monday, but a planned first meeting with Donald Trump fell through after the U.S. president cut short his visit to address Middle East tensions.

Trump returned to the U.S. after signing a major trade agreement with the U.K. Prime Minister Keir Starmer, according to White House press secretary Karoline Leavitt, thus skipping out on the scheduled evening session with other world leaders.

The president’s early departure is a diplomatic setback for Lee, who had been