Theunlucky ship has been named as the 1,708-teu feedership Pearl River Bridge(built 2008) by security consultants AKE.
Bothincidents involving the K Line ship took place at Belawan in North Sumatra, whichlies on the western side of the Straits of Malacca.
Reportssay three robbers armed with long knives boarded the ship via the anchor chainin the early hours of 20 October.
Accordingto the International Maritime Bureau (IMB) they then took the one of the dutycrew hostage and tied him up on the forecastle deck.