Animal rights activist Paul Watson, freed this week from detention in Denmark, vowed on Saturday to end whale hunting worldwide and to stop Japan if it tried to resume whaling in the Southern Ocean.

Japan had asked Denmark to extradite Watson, who had been in custody in Greenland since his arrest this summer.

Anti-whaling activist Paul Watson arrived in France on Friday after spending five months in detention in Greenland based on an extradition request filed by Japan. He spoke to FRANCE 24 about his time in detention and his plans for the future.

Freed anti-whaling activist Paul Watson on Friday arrived in France after five months in detention in Greenland pending an extradition demand from Japan, an airport source told AFP. Watson, 74, was released on Tuesday after Denmark refused the Japanese extradition request over a 2010 clash with whalers.

Anti-whaling activist Paul Watson was freed from prison in Greenland on Tuesday and will not be extradited to Japan, the Danish Justice Ministry and defense lawyers said.

Danish authorities have released anti-whaling activistPaul Watson from Greenland some five months after he was originally detained on an international arrest warrant from Japan, his attorney said.

Watson was released on Tuesday after five months of detention in Greenland as Denmark considered whether to extradite him to Japan.

Watson, 74, was released after Denmark refused the Japanese extradition request over a 2010 clash with whalers.