File photo of Allen Chau, who was killed on the Andaman Islands.

Twenty-seven-year-old American national Allen Chau, who was killed on the Andaman islands a few days ago, wanted to convert the rare Sentinelese tribe into Christianity.

Sources say Chau was associated with a Christian missionary and wanted to reach out to the protected tribe to convert them and also seek adventure in the process.

Speaking to India Today TV, CID SP Deepak Yadav said, "Chau reached Andaman and Nicobar Islands on October 16. When he expressed interest to visit the island, seven fishermen got together to take him to the island."

He added, "There are restrictions on the island. We are trying to recover the body. Chau was killed with an arrow and one of the fishermen saw his body being buried on the island."

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According to Yadav, one of the fishermen who took Chau to the Sentinel island, rushed back to inform a friend of the American national, who in turn informed his family.

He said, "We have registered a case against these fishermen as they should not have taken Chau there. It is very unfortunate. The sensitive tribe has been living here for 60,000 years. They are not to be contacted. The Navy and Coast Guard patrol the area to prevent people from entering the island."

This is not the first time the tribe has killed outsiders. In 2006, two fishermen were also killed by them. The tribe is known to be hostile to outsiders.

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