Greenpeace conservation activists say they have disrupted the Japanese whale hunt near Antarctica's coast by chasing a factory ship out of the whaling zone.Crew from protest ship Esperanza said they were maintaining the chase as the whalers cannot hunt at the same time.
A spokesman for Japan's whale hunt said Greenpeace's actions were illegal and people should not treat them as heroes.
Japan's whaling fleet plans to kill about 900 minke whales and 50 fin whales by mid-April.
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