The group claims crew were attacked with iron hooks . Two crew were struck with iron hooks , the group claims . It claims a third crew member was struck twice in the face with a walking stick . Sea Shepherd 's vessel Steve Irwin is attempting to disrupt Japanese whaling ships .
Conservation group claims crew were attacked with grappling hooks . Two crew were struck with iron hooks , the group says . It claims a third crew member was struck twice in the face with a bamboo pole . Sea Shepherd 's vessel Steve Irwin is attempting to disrupt Japanese whaling ships .