AP
Police guard outside the office of Russian opposition leader Alexei Navalny in Moscow, Sunday, Jan. 28, 2018. Opposition politician Alexey Navalny calls for nationwide protests following Russia's Central Election Commission's decision to ban his presidential candidacy. (AP Photo/Pavel Golovkin)
- Pavel Golovkin
Police guard outside the office of Russian opposition leader Alexei Navalny in Moscow, Sunday, Jan. 28, 2018. Opposition politician Alexey Navalny calls for nationwide protests following Russia's Central Election Commission's decision to ban his presidential candidacy. (AP Photo/Pavel Golovkin)
- Pavel Golovkin
Demonstrators shout slogans with posters which read "I do not recognize Putin's election" and "Putin devours the future of Russia" during a rally in Vladivostok, Russia, Sunday, Jan. 28, 2018. Russian opposition politician Alexey Navalny calls for nationwide protests following Russia's Central Election Commission's decision to ban his presidential candidacy. (AP Photo/Aleksander Khitrov)
- Aleksander Khitrov
A demonstrator holds a poster which reads "I have no one to choose!! Strike." during a rally in Vladivostok, Russia, Sunday, Jan. 28, 2018. Russian opposition politician Alexey Navalny calls for nationwide protests following Russia's Central Election Commission's decision to ban his presidential candidacy. (AP Photo/Aleksander Khitrov)
- Aleksander Khitrov
Demonstrators shout slogans holding a poster which reads "Elections without me! Strike." during a rally in Vladivostok, Russia, Sunday, Jan. 28, 2018. Opposition politician Alexey Navalny calls for nationwide protests following Russia's Central Election Commission's decision to ban his presidential candidacy. (AP Photo/Aleksander Khitrov)
- Aleksander Khitrov
A demonstrator with a Russian national flag wrapped in his shoulders shouts slogans during a rally in Vladivostok, Russia, Sunday, Jan. 28, 2018. Opposition politician Alexey Navalny calls for nationwide protests following Russia's Central Election Commission's decision to ban his presidential candidacy. (AP Photo/Aleksander Khitrov)
- Aleksander Khitrov
Young protesters attend a rally in Moscow, Russia, Sunday, Jan. 28, 2018. Opposition politician Alexey Navalny calls for nationwide protests following Russia's Central Election Commission's decision to ban his presidential candidacy in the upcoming March 18 elections. (AP Photo/Andrew Lubimov)
- Andrew Lubimov
Protesters gather during a rally in Moscow, Sunday, Jan. 28, 2018 against Russia's Central Election Commission's decision to ban the opposition leader Alexei Navalny presidential candidacy. Navalny has been arrested in Moscow as protests demonstrations called by him took place across the country. (AP Photo/Pavel Golovkin)
- Pavel Golovkin
Protesters shout slogans during a rally in Moscow, Russia, Sunday, Jan. 28, 2018. Opposition politician Alexey Navalny calls for nationwide protests following Russia's Central Election Commission's decision to ban his presidential candidacy in the March 18 election. (AP Photo/Andrew Lubimov)
- Andrew Lubimov
Young protesters hold a Russian flag during a rally at Pushkin square in Moscow, Sunday, Jan. 28, 2018. Opposition politician Alexey Navalny calls for nationwide protests following Russia's Central Election Commission's decision to ban his presidential candidacy. (AP Photo/Pavel Golovkin)
- Pavel Golovkin
Policemen guard outside a metro station before a rally in Moscow, Sunday, Jan. 28, 2018. Opposition politician Alexey Navalny calls for nationwide protests following Russia's Central Election Commission's decision to ban his presidential candidacy. (AP Photo/Pavel Golovkin)
- Pavel Golovkin
Protesters attend a rally in Moscow, Russia, Sunday, Jan. 28, 2018. Russian opposition leader Alexei Navalny has been arrested in Moscow as protest demonstrations called by him took place across the country. He has called on supporters to continue the demonstrations despite his arrest Sunday. (AP Photo/Andrew Lubimov)
- Andrew Lubimov
Protesters shout slogans during a rally in Moscow, Sunday, Jan. 28, 2018 against Russia's Central Election Commission's decision to ban the opposition leader Alexei Navalny presidential candidacy. Navalny has been arrested in Moscow as protests demonstrations called by him took place across the country. (AP Photo/Pavel Golovkin)
- Pavel Golovkin
Young protesters hold a Russian flag as others hold up banners, one at center reads: "Two terms are the Constitutional Limit", during a rally at Pushkin square in Moscow, Sunday, Jan. 28, 2018. Russian opposition leader Alexei Navalny has been arrested in Moscow as protest demonstrations called by him took place across the country. He has called on supporters to continue the demonstrations despite his arrest Sunday. (AP Photo/Andrew Lubimov)
- Andrew Lubimov
A protester holds up flowers during a rally in Moscow, Sunday, Jan. 28, 2018 against Russia's Central Election Commission's decision to ban the opposition leader Alexei Navalny presidential candidacy. Navalny has been arrested in Moscow as protests demonstrations called by him took place across the country. (AP Photo/Pavel Golovkin)
- Pavel Golovkin
Protesters with Russian flags gather during a rally at Pushkin square in Moscow, Sunday, Jan. 28, 2018 against Russia's Central Election Commission's decision to ban the opposition leader Alexei Navalny presidential candidacy. Navalny has been arrested in Moscow as protests demonstrations called by him took place across the country. (AP Photo/Alexander Zemlianichenko)
- Alexander Zemlianichenko
Protesters shout slogans during a rally in Moscow, Sunday, Jan. 28, 2018 against Russia's Central Election Commission's decision to ban the opposition leader Alexei Navalny presidential candidacy. Navalny has been arrested in Moscow as protests demonstrations called by him took place across the country. (AP Photo/Pavel Golovkin)
- Pavel Golovkin
A protester offers a flower at a policeman during a rally in Moscow, Sunday, Jan. 28, 2018 against Russia's Central Election Commission's decision to ban the opposition leader Alexei Navalny presidential candidacy. Navalny has been arrested in Moscow as protests demonstrations called by him took place across the country. (AP Photo/Pavel Golovkin)
- Pavel Golovkin
Protesters gather during a rally at Pushkin square in Moscow, Sunday, Jan. 28, 2018. Opposition politician Alexey Navalny calls for nationwide protests following Russia's Central Election Commission's decision to ban his presidential candidacy. (AP Photo/Pavel Golovkin)
- Pavel Golovkin
A protester waves a Russian flag during a rally at Pushkin square in Moscow, Sunday, Jan. 28, 2018. Opposition politician Alexey Navalny calls for nationwide protests following Russia's Central Election Commission's decision to ban his presidential candidacy. (AP Photo/Pavel Golovkin)
- Pavel Golovkin
Russian opposition leader Alexei Navalny, centre, is detained by police officers in Moscow, Russia, Sunday, Jan. 28, 2018. Opposition politician Alexey Navalny calls for nationwide protests following Russia's Central Election Commission's decision to ban his presidential candidacy. (AP Photo/Evgeny Feldman)
- Evgeny Feldman
Young protesters gather during a rally at Pushkin square in Moscow, Sunday, Jan. 28, 2018. Opposition politician Alexey Navalny calls for nationwide protests following Russia's Central Election Commission's decision to ban his presidential candidacy. (AP Photo/Alexander Zemlianichenko)
- Alexander Zemlianichenko
People gather as police stand next to the protesters during a rally in Moscow, Sunday, Jan. 28, 2018. Opposition politician Alexey Navalny calls for nationwide protests following Russia's Central Election Commission's decision to ban his presidential candidacy. (AP Photo/Pavel Golovkin)
- Pavel Golovkin
A protester waves a Russian flag during a rally in Moscow, Sunday, Jan. 28, 2018. Opposition politician Alexey Navalny calls for nationwide protests following Russia's Central Election Commission's decision to ban his presidential candidacy. (AP Photo/Alexander Zemlianichenko)
- Alexander Zemlianichenko
Russian opposition leader Alexei Navalny, in the background, is detained by police officers in Moscow, Russia, Sunday, Jan. 28, 2018. Opposition politician Alexey Navalny calls for nationwide protests following Russia's Central Election Commission's decision to ban his presidential candidacy. (AP Photo/Evgeny Feldman)
- Evgeny Feldman