Three search and rescue boats have since been deployed to that location.

三支搜救船只已被部署到那一区域。

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Three helicopters and 11 rescue boats were part of the joint operation, the rescue service said.

CNN: Death toll rises in oil disaster

Three boats from the Royal Dutch Sea Rescue Organisation, two navy vessels, four helicopters and one coastguard aircraft had been used in the rescue operation.

BBC: Baltic Ace shipwreck: Dutch coastguards call off search