Japan’s outgoing Prime Minister Shigeru Ishiba travelled to South Korea on Tuesday, seeking to reinforce fragile ties as his government faces a looming leadership transition.Analysts say the landmark visit, at the invitation of South Korean President Lee Jae-myung, reflects an effort by both nations to consolidate gains in security and economic cooperation while signalling Seoul’s intent to join a Japanese-led trade bloc.Ishiba’s two-day trip to Busan – the first visit by a Japanese leader to...