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Junji Kurokawa, File, Associated Press
FILE - In this May 15, 2014, file photo, anti-dolphin hunt activist Ric O'Barry speaks during an interview in Tokyo. O’Barry, the former dolphin trainer for the “Flipper” TV series and the star of “The Cove,” an Oscar-winning documentary about dolphin killings in Japan, was detained Tuesday, Jan. 19, 2016, by immigration authorities at an airport near Tokyo. Immigration officials declined comment, saying it is their policy not to comment on individual cases. O’Barry’s lawyer Takashi Takano said he has appealed the decision, and a decision from the Japanese government is expected in the next few days, with deportation a possibility.

TOKYO — The star of an Oscar-winning documentary "The Cove," about a dolphin-killing village in Japan, was detained Tuesday by immigration authorities at Tokyo's Narita international airport.

Ric O'Barry, the former dolphin trainer for the "Flipper" TV series, said immigration officials told him he wasn't a tourist, the visa he was using to enter Japan, according to his lawyer, Takashi Takano. He said officials accused O'Barry of having close ties with the anti-whaling group Sea Shepherd, which O'Barry denies.

Immigration officials said it is their policy not to comment on individual cases.

Takano said he appealed the detention, and that the Japanese government will decide on whether to allow O'Barry into the country or deport him. The timeframe for that decision wasn't clear.

"The Cove," which won the 2009 Academy Award for best documentary, shows the slaughter of dolphins herded into a cove in the fishing village of Taiji and bludgeoned to death.

"The Japanese government is cracking down on those who oppose their war on dolphins," O'Barry said in a statement sent by email to The Associated Press through his son, Lincoln O'Barry.

Officials in Taiji, a small fishing village in central Japan, and fishermen have defended the hunt as tradition, saying that eating dolphin meat is no different than eating beef or chicken.

Most Japanese have never eaten dolphin meat, and many say they are horrified by the dolphin-killing, and have joined the campaign against the Taiji hunt. Animal welfare activists say the dolphin hunt is driven mostly by the lucrative sale of dolphins to aquariums, with the meat sale income coming as a smaller extra.

O'Barry has been stopped and questioned at Japanese immigration before, as well as temporarily taken into custody by local police on the suspicion of not having proper travel documents. But this is the first time he has been detained in this way. He has the support of high-profile celebrities, including Sting, U.S. Ambassador to Japan Caroline Kennedy and former Guns N' Roses drummer Matt Sorum.

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