Anti-whaling activist detained in Greenland at Japan's request

STOCKHOLM (Reuters) -- A U.S.-Canadian anti-whaling activist has been detained in Greenland and faces possible extradition to Japan, which has issued an international warrant for his arrest, the Arctic island's police said in a statement.

Paul Watson, founder of the Sea Shepherd activist group and the Captain Paul Watson Foundation, was apprehended on Sunday when his ship docked at the port of Nuuk, police in the Danish autonomous territory added.