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.

US to re-engage with Gavi vaccine alliance amid Ebola outbreak
Iran studying deal to halt war as stalemate persists
WHO says suspected Ebola cases drop to 116 after hundreds ruled out
Israel strikes south Lebanon after holding off Beirut attack
At least 22 killed in heavy Russian attack on Ukrainian cities
