TOKYO—Inquiries began into what caused the disappearance of a tour boat off Japan’s northern coast as search efforts intensified on Monday to find the vessel and its missing passengers, with the confirmed death toll rising to 11.
The “Kazu I” left harbor on Saturday for a sightseeing trip when it ran into trouble off the Shiretoko peninsula on the island of Hokkaido. The boat was carrying 24 passengers, including 2 children, and two crew members. Only a few orange flotation devices bearing its name have been discovered adrift by a rocky area along the rugged coastline.
One child is among the dead.
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