An official from South Korea's foreign ministry says an investigation is underway into whether a vessel allegedly containing banned North Korean coal... docked in and departed from the South Korean western port city of Pyeongtaek last week.<br /> It's not clear if the ship is suspected of unloading any coal.<br />This follows a report by U.S.-based Voice of America on Sunday, citing the Marine Traffic website, that a Belize-flagged ship, the "Shinning Rich," was spotted in Pyeongtaek last Thursday, local time,... and set sail for Tianjin , China on Saturday.<br />The ship is suspected of being used by North Korea to get around a UN ban on trading its goods. <br />