More than 800 people have been arrested in Russia for taking part in anti-government protests.
It comes after authorities warned people in Moscow that the demonstrations were illegal.
They're protesting the exclusion of opposition politician Alexei Navalny, who has been jailed by the Kremlin.
Prominent activist Lyubov Sobol was among the hundreds who were arrested on Saturday.

Powerful winter storm shuts schools, disrupts travel across US Northeast
At least 19 killed in Nepal bus crash
Mexican military kills cartel boss 'El Mencho' in US-backed raid
Afghanistan says Pakistan strikes kill and injure dozens
Police officer killed, dozens injured in bomb explosions in Ukraine's Lviv
