Law enforcement officers stand in front of participants during a rally in support of jailed Russian opposition leader Alexei Navalny in Moscow, Russia January 23, 2021. REUTERS/Evgenia Novozhenina

Soccer Football - FA Cup - Fourth Round - Southampton v Arsenal - St Mary's Stadium, Southampton, Britain - January 23, 2021 Arsenal's Gabriel Martinelli in action Action Images via Reuters/Andrew Boyers

Soccer Football - FA Cup - Fourth Round - Southampton v Arsenal - St Mary's Stadium, Southampton, Britain - January 23, 2021 Southampton's Stuart Armstrong in action with Arsenal's Hector Bellerin Action Images via Reuters/Andrew Boyers

Law enforcement officers block a road as protesters march along the Nevsky Avenue during a rally in support of jailed Russian opposition leader Alexei Navalny in Saint Petersburg, Russia January 23, 2021. REUTERS/Anton Vaganov

A law enforcement officer holds a baton during a rally in support of jailed Russian opposition leader Alexei Navalny in Moscow, Russia January 23, 2021. REUTERS/Evgenia Novozhenina

Soccer Football - FA Cup - Fourth Round - Southampton v Arsenal - St Mary's Stadium, Southampton, Britain - January 23, 2021 Arsenal manager Mikel Arteta Action Images via Reuters/Andrew Boyers

Soccer Football - FA Cup - Fourth Round - Southampton v Arsenal - St Mary's Stadium, Southampton, Britain - January 23, 2021 Arsenal manager Mikel Arteta Action Images via Reuters/Andrew Boyers

Soccer Football - FA Cup - Fourth Round - Southampton v Arsenal - St Mary's Stadium, Southampton, Britain - January 23, 2021 Arsenal manager Mikel Arteta Action Images via Reuters/Andrew Boyers

A man wearing a Russian flag attends a rally in support of jailed Russian opposition leader Alexei Navalny in Saint Petersburg, Russia January 23, 2021. REUTERS/Anton Vaganov

Law enforcement officers detain a man during a rally in support of jailed Russian opposition leader Alexei Navalny in Moscow, Russia January 23, 2021. REUTERS/Evgenia Novozhenina

Law enforcement officers block a road as protesters march along the Nevsky Avenue during a rally in support of jailed Russian opposition leader Alexei Navalny in Saint Petersburg, Russia January 23, 2021. REUTERS/Anton Vaganov

A man holds an Orthodox cross as he attends a rally in support of jailed Russian opposition leader Alexei Navalny in Moscow, Russia January 23, 2021. REUTERS/Maxim Shemetov

Soccer Football - FA Cup - Fourth Round - Southampton v Arsenal - St Mary's Stadium, Southampton, Britain - January 23, 2021 Southampton's Ibrahima Diallo in action Action Images via Reuters/Andrew Boyers

Soccer Football - FA Cup - Fourth Round - Southampton v Arsenal - St Mary's Stadium, Southampton, Britain - January 23, 2021 Southampton team huddle before the match Action Images via Reuters/Andrew Boyers

Russian opposition figure Lyubov Sobol speaks to the media during a rally in support of jailed opposition leader Alexei Navalny in Moscow, Russia January 23, 2021, in this screen grab taken from a video. REUTERS/Anton Zverev

Soccer Football - FA Cup - Fourth Round - Southampton v Arsenal - St Mary's Stadium, Southampton, Britain - January 23, 2021 General view of sprinklers watering the pitch before the match Action Images via Reuters/Andrew Boyers

People attend rally in support of jailed Russian opposition leader Alexei Navalny in Moscow, Russia January 23, 2021. REUTERS/Evgenia Novozhenina

A man holds a placard reading "One for all, all for one" during a rally in support of jailed Russian opposition leader Alexei Navalny in Moscow, Russia January 23, 2021. REUTERS/Evgenia Novozhenina

A participant holds a placard reading "Navalny is not afraid and I'm not afraid" while he is taken away by the law enforcement officers during a rally in support of jailed Russian opposition leader Alexei Navalny in Moscow, Russia January 23, 2021. REUTERS/Maxim Shemetov

Law enforcement officers stand guard during a rally in support of jailed Russian opposition leader Alexei Navalny in Saint Petersburg, Russia January 23, 2021. REUTERS/Anton Vaganov

People shout slogans during a rally in support of jailed Russian opposition leader Alexei Navalny in Saint Petersburg, Russia January 23, 2021. REUTERS/Anton Vaganov

People attend a rally in support of jailed Russian opposition leader Alexei Navalny in Saint Petersburg, Russia January 23, 2021. REUTERS/Anton Vaganov

A woman holds a placard reading "I'm not afraid of the old man in a bunker " while she is taken away by the law enforcement officers during a rally in support of jailed Russian opposition leader Alexei Navalny in Moscow, Russia January 23, 2021. REUTERS/Maxim Shemetov

Soccer Football - FA Cup - Fourth Round - Southampton v Arsenal - St Mary's Stadium, Southampton, Britain - January 23, 2021 Arsenal's Willian during the warm up before the match Action Images via Reuters/Andrew Boyers

A participant is seen on her knees, near the law enforcement officers during a rally in support of jailed Russian opposition leader Alexei Navalny in Moscow, Russia January 23, 2021. REUTERS/Maxim Shemetov

Soccer Football - FA Cup - Fourth Round - Southampton v Arsenal - St Mary's Stadium, Southampton, Britain - January 23, 2021 Arsenal's Mohamed Elneny during the warm up before the match Action Images via Reuters/Andrew Boyers

Soccer Football - FA Cup - Fourth Round - Southampton v Arsenal - St Mary's Stadium, Southampton, Britain - January 23, 2021 Arsenal's Willian during the warm up before the match Action Images via Reuters/Andrew Boyers

A participant holds a placard reading "I'm not afraid #Freedom to Navalny" while other person holds a sign reading "power is not above the laws" during a rally in support of jailed Russian opposition leader Alexei Navalny in Moscow, Russia January 23, 2021. REUTERS/Evgenia Novozhenina TPX IMAGES OF THE DAY

Soccer Football - FA Cup - Fourth Round - Southampton v Arsenal - St Mary's Stadium, Southampton, Britain - January 23, 2021 General view of the ticket office outside the stadium before the match Action Images via Reuters/Andrew Boyers

Soccer Football - FA Cup - Fourth Round - Southampton v Arsenal - St Mary's Stadium, Southampton, Britain - January 23, 2021 Arsenal's Granit Xhaka during the warm up before the match Action Images via Reuters/Andrew Boyers

Soccer Football - FA Cup - Fourth Round - Southampton v Arsenal - St Mary's Stadium, Southampton, Britain - January 23, 2021 Arsenal's Bukayo Saka during the warm up before the match Action Images via Reuters/Andrew Boyers

Soccer Football - FA Cup - Fourth Round - Southampton v Arsenal - St Mary's Stadium, Southampton, Britain - January 23, 2021 Arsenal players during the warm up before the match Action Images via Reuters/Andrew Boyers

Soccer Football - FA Cup - Fourth Round - Southampton v Arsenal - St Mary's Stadium, Southampton, Britain - January 23, 2021 Arsenal's Alexandre Lacazette during the warm up before the match Action Images via Reuters/Andrew Boyers

A woman attends a rally in support of jailed Russian opposition leader Alexei Navalny in Omsk, Russia January 23, 2021. REUTERS/Alexey Malgavko

A participant holds a placard reading "Navalny is not afraid and I'm not afraid" during a rally in support of jailed Russian opposition leader Alexei Navalny in Moscow, Russia January 23, 2021. REUTERS/Maxim Shemetov

A participant holds a placard reading "I'm not afraid of the old man in a bunker " during a rally in support of jailed Russian opposition leader Alexei Navalny in Moscow, Russia January 23, 2021. REUTERS/Maxim Shemetov

Polish healthcare workers (L) help during a mass nationwide testing for coronavirus disease (COVID-19) in Zilina, Slovakia, January 23, 2021. REUTERS/Radovan Stoklasa

A participant holds a placard reading "I'm not afraid #Freedom to Navalny" during a rally in support of jailed Russian opposition leader Alexei Navalny in Moscow, Russia January 23, 2021. REUTERS/Evgenia Novozhenina

Law enforcement officers walk during a rally in support of jailed Russian opposition leader Alexei Navalny in Saint Petersburg, Russia January 23, 2021. REUTERS/Anton Vaganov

Protesters are taken away by law enforcement officers during a rally in support of jailed Russian opposition leader Alexei Navalny in Saint Petersburg, Russia January 23, 2021. REUTERS/Anton Vaganov

Polish healthcare workers (L) help during a mass nationwide testing for coronavirus disease (COVID-19) in Zilina, Slovakia, January 23, 2021. REUTERS/Radovan Stoklasa

Protesters are taken away by law enforcement officers during a rally in support of jailed Russian opposition leader Alexei Navalny in Saint Petersburg, Russia January 23, 2021. REUTERS/Anton Vaganov

A participant holds a placard reading "One for all, all for one" during a rally in support of jailed Russian opposition leader Alexei Navalny in Moscow, Russia January 23, 2021. REUTERS/Maxim Shemetov

Law enforcement officers detain a man during a rally in support of jailed Russian opposition leader Alexei Navalny in Moscow, Russia January 23, 2021. REUTERS/Maxim Shemetov

A man wearing a protective mask places a box at a voting station during preparations for Portugal's presidential election, amid the coronavirus disease (COVID-19) pandemic in Lisbon, Portugal, January 23, 2021. REUTERS/Pedro Nunes

A police officer stands at a testing centre for coronavirus disease (COVID-19) where Polish healthcare workers have come to help in Zilina, Slovakia, January 23, 2021. REUTERS/Radovan Stoklasa

People wearing protective masks and gloves assemble a booth at a voting station during preparations for Portugal's presidential election, amid the coronavirus disease (COVID-19) pandemic in Lisbon, Portugal, January 23, 2021. REUTERS/Pedro Nunes

A woman attends a rally in support of jailed Russian opposition leader Alexei Navalny in Omsk, Russia January 23, 2021. REUTERS/Alexey Malgavko

A man wearing a protective mask places a social distancing sticker on the floor at a voting station during preparations for Portugal's presidential election, amid the coronavirus disease (COVID-19) pandemic in Lisbon, Portugal, January 23, 2021. REUTERS/Pedro Nunes

Protesters form a human chain in front of law enforcement officers during a rally in support of jailed Russian opposition leader Alexei Navalny in Omsk, Russia January 23, 2021. REUTERS/Alexey Malgavko

A person attends a rally in support of jailed Russian opposition leader Alexei Navalny in Omsk, Russia January 23, 2021. REUTERS/Alexey Malgavko

A law enforcement officer stands guard during a rally in support of jailed Russian opposition leader Alexei Navalny in Omsk, Russia January 23, 2021. REUTERS/Alexey Malgavko

People wearing protective masks place social distancing stickers on the floor at a voting station during preparations for Portugal's presidential election, amid the coronavirus disease (COVID-19) pandemic in Lisbon, Portugal, January 23, 2021. REUTERS/Pedro Nunes

A woman wearing a protective mask places lines on the floor to ensure social distance at a voting station during preparations for Portugal's presidential election, amid the coronavirus disease (COVID-19) pandemic in Lisbon, Portugal, January 23, 2021. REUTERS/Pedro Nunes

Polish healthcare workers put on their PPE during a mass nationwide testing for coronavirus disease (COVID-19) in Zilina, Slovakia, January 23, 2021. REUTERS/Radovan Stoklasa

A general view of a rally in support of jailed Russian opposition leader Alexei Navalny in Moscow, Russia January 23, 2021. REUTERS/Evgenia Novozhenina

Law enforcement officers stand guard during a rally in support of jailed Russian opposition leader Alexei Navalny in Moscow, Russia January 23, 2021. REUTERS/Maxim Shemetov

A law enforcement officer stands guard during a rally in support of jailed Russian opposition leader Alexei Navalny in Omsk, Russia January 23, 2021. REUTERS/Alexey Malgavko

Law enforcement officers stand guard during a rally in support of jailed Russian opposition leader Alexei Navalny in Moscow, Russia January 23, 2021. REUTERS/Maxim Shemetov

People attend a rally in support of jailed Russian opposition leader Alexei Navalny in Saint Petersburg, Russia January 23, 2021. The placard reads: "Freedom to Navalny". REUTERS/Anton Vaganov