CNN 's Yoko Wakatsuki contributed to this report . An anti-whaling group says it split up Japan 's fleet and chased it out of the Antarctic zone . Score: 7 Japan says the whaling ships are still in the Southern Ocean and the hunt continues . Environmental groups clash each year with Japan 's whaling vessels .
An anti-whaling group says it split up Japan 's fleet and chased it out of the Antarctic zone . Score: 7 Japan says the whaling ships are still in the Southern Ocean and the hunt continues . Environmental groups clash each year with Japan 's whaling vessels .