A chemical tanker run a Japanese firm was robbed while sailing off Indonesia's Anambas Islands, information from the transport ministry said Sunday.
The incident involving the tanker, operated by Tokyo-based Iino Kaiun Kaisha Ltd., occurred shortly after 4 a.m. Japan time the same day. No one was injured and there was no damage to the tanker.
According to the information, two pirates carrying knives boarded the ship and fled the scene after stealing cash.
It is the ninth time this year in which a ship operated by a Japanese firm has been attacked by pirates.