This handout photo taken by Japan's Institute of Cetacean research on February 25, 2013 shows the Sea Shepherd ship Bob Barker (R) colliding with the Japanese whaling fleet fuel tanker the Sun Laurel, as Japanese whalers and militant conservationists clashed dangerously in icy waters off Antarctica, with both sides accusing the other of ramming their vessels. AFP PHOTO/ FILES / INSTITUTE OF CETACEAN RESEARCH