Despite fears of a police crackdown, Russian opposition leader Alexei Navalny's funeral in southeast Moscow went on peacefully, two weeks after his mysterious death in an Arctic penal colony.

NPR's Scott Simon remembers Alexei Navalny. The Russian opposition leader died Friday in a penal colony.

The death of Russian opposition leader Alexei Navalny in prison was shocking, but hardly surprising. It follows a long line of fallen critics and opponents of Russian leader Vladimir Putin.

The Federal Prison Service said in a statement that Navalny felt unwell after a walk on Friday and lost consciousness. The politician's team says it has received no confirmation of his death so far.

The international reaction to the death of the prominent Russian opposition leader was swift, with many blaming the Kremlin.

Russian election authorities rejected Boris Nadezhdin as a candidate in next month's presidential balloting.

Vladimir Kara-Murza was sentenced to 15 days in jail for disobeying police orders on Tuesday, the day after his arrest. The opposition leader has been speaking out against Russia's war in Ukraine.

Alexei Navalny said he has purchased a Sunday plane ticket to return to Moscow. He has spent months in Germany recovering from nerve agent poisoning.