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.

Trump condemns, won't apologise for video with racist clip on Obamas
Search for Nancy Guthrie, missing 6 days from Arizona home, turns to new message
WHO says one person dead from Nipah virus in Bangladesh
Explosion at mosque in Pakistan's capital kills 31
Hong Kong media tycoon Jimmy Lai to be sentenced on February 9
