The 150 meter long, 30500 dwt submersible barge POSH Mogami sank off Batam Island near Sekupang, Indonesia. The barge with 9 crew on board was conducting submerging trials when the vessel sank. Six of the crew were rescued by Indonesian authorities, but three others were unable to escape and perished. Authorities state the crew were testing the barge by submerging part of the vessel that required repairs. The test was to pump out the water to allow the Mogami to rise again. However, the test failed the vessel sank. Reports state there would be further investigations into the incident.