U.S. President Joe Biden comments on the death of Russian opposition politician Alexei Navalny in an Arctic penal colony on Friday.U.S. President Joe Biden makes remarks at White House.Alexei Navalny, Russia’s most famous opposition leader, died on Friday after collapsing and losing consciousness at the penal colony north of the Arctic Circle where he was serving a long jail term, the Russian prison service said.U.S Vice President Kamala Harris said the United States is working to confirm the death of Russian opposition leader Alexei Navalny, adding that it would be a further sign of Russian President Vladimir Putin’s brutality.