KEY POINTS
  • Russian police on Saturday arrested hundreds of protesters who took to the streets in freezing temperatures to demand the release of Alexei Navalny, the country's top opposition figure.
  • Navalny was arrested on Jan. 17 when he returned to Moscow from Germany, where he had spent five months recovering from poisoning that he blames on the Kremlin.
Alexey Navalny, Russian opposition leader, walks with demonstrators during a rally in Moscow, Russia, on Saturday, Feb. 29, 2019. The rally marked five years since the assassination of politician Boris Nemtsov.

Russian police arrested more than 3,000 people Saturday in nationwide protests demanding the release of opposition leader Alexei Navalny, the Kremlin's most prominent foe, according to a group that counts political detentions.

The protests in scores of cities in temperatures as low as minus-50 C (minus-58 F) highlighted how Navalny has built influence far beyond the political and cultural centers of Moscow and St. Petersburg.