The 147 meter long ro-ro cargo vessel Ocean Queen caught fire off Busan, South Korea. The Ocean Queen was en route to Vladivostok from Busan when fire erupted from the stern.  The master reported that the fire started in the cargo hold and required assistance. A Coast Guard vessel arrived on scene and assisted the crew extinguishing the blaze.  No reports of injuries or pollution released. Reports state the cargo was most likely vehicles which were damaged or destroyed in the fire.