South Korea and Japan's leaders have held talks in Tokyo in what has been hailed as a milestone in their fraught relationship. It comes just as North Korea fired a fourth round of missiles in a week - a reminder of why security is being prioritised over past disputes.
The leaders agreed to resume regular visits, and resolved a long-running trade dispute. Japan agreed to lift restrictions on exports of semi-conductor materials, while South Korea withdrew its complaint to the World Trade Organization (WTO).
BBC correspondents examine the significance of the first such meeting between the countries since 2011. bcr99th