US President Biden said that Russian President Putin was "responsible for the death of Russian opposition leader Navarni.

Comprehensive Reuters and the New York Times reported that Biden released Navari The news said that he was "not surprised" by Navari's death, but he felt "angry".

Bynden said: "We don't know what happened, but there is no doubt that Navari's death cannot be related to Putin. Navali's encounter further confirming Putin's brutality."

The Russian Federal Prison Administration said that Navali was on Friday (February 16) in North Pole Walle died in the prison.The prison department said that Navari was in I felt uncomfortable , almost lost their consciousness immediately, and medical staff adopted emergency response.Measures, but unable to wake him up.The cause of death is yet to be determined.

Biden said: "Russian officials will have their own sets of claims. But don't make mistakes, Putin is responsible for Navali's death."

Biden paid tribute to the "corruption" and "violence" of the Putin government "bravely" against the Putin government, and revealed that he was "considering" additional measures to punish Russia.

The Chairman of the European Commission Feng Delin and Vice Chairman Berrey issued a statement on Friday that Navarni was murdered by Putin and his regime. The most afraid of their people was the disagreement among their people.

Statement said that the European Union "will spare no effort to investigate Russian political leadership and official responsibility for the death of Navari."

The British government summoned the Russian ambassador to show that Russian officials were "fully responsible for Navarini's death."The British Ministry of Foreign Affairs said that Navali's death in the Arctic exile "must conduct a comprehensive and transparent investigation."