SEOUL, June 16 (UPI) -- South Korean President Lee Jae-myung departed for Canada on Monday to attend the Group of Seven summit, his first overseas engagement since taking office earlier this month. Lee and first lady Kim Hye-kyung left from Seoul Air Base in Seongnam at around 4:30 p.m. to head to Calgary, Alberta. The visit marks a return to the global diplomatic stage for South Korea after a six-month power vacuum caused by impeached former President Yoon Suk-yeol's botched martial law