South Korean President Lee Jae Myung is in Tokyo to hold his first full summit with Japanese Prime Minister Shigeru Ishiba in a visit largely aimed at showcasing friendly ties between the two Asian neighbors that now face common challenges from America,

TOKYO (Reuters) -South Korean President Lee Jae Myung arrived in Japan on Saturday for a summit expected to reaffirm security cooperation between the two East Asian neighbours before Lee meets U.S. President Donald Trump in Washington on Monday.

Barely two months into office, South Korean President Lee Jae Myung faces a pivotal foreign policy test, heading into back-to-back summits in Tokyo and Washington that reflect the wider struggle of U.