A South Korean destroyer that allegedly directed fire-control radar at a Maritime Self-Defense Force patrol plane earlier in the week locked it for a few minutes, Japanese government sources said Saturday.Given such a duration of radar lock, Japanese government officials believe the South Korean ship aimed its radar at the MSDF P-1 aircraft on purpose, despite Seoul's explanation it was not used to track the plane.The Defense Ministry on Saturday called the incident, which occurred Thursday, "extremely regrettable" and urged South Korea to prevent a recurrence of such a "dangerous act" that…READ FULL ARTICLE