article_snippet.sent: Captain Hammarstedt added: 'I took to be very unusual behaviour and further evidence that Captain Hammarstedt deliberately sank Captain Hammarstedt own vessel' 'Usually when a vessel is sinking, Captain Hammarstedt will close all hatches so as to maintain buoyancy.
article_snippet.sent: his vesselissued a distressing signal, claiming that his vessel was sinking at about 4.00pm on Monday. '
article_snippet.sent: Captain Hammarstedt radioed us and said his vessel was sinking.
article_snippet.sent: us  launched us small boat and did everything us could to assist,' Captain Hammarstedt said. '
article_snippet.sent: Captain Hammarstedt appeared as though the ship and crew were in a serious situation.'
article_snippet.sent: Captain Hammarstedt told ABC News they have been following his vessel for the past 110 days' as part of his vessel Operation Icefish. 