Supporters of Russian opposition leader Alexei Navalny arrive in their droves for a protest rally in Moscow yesterday. Photograph: Maxim Shemetov/Reuters

Moscow’s chief prosecutor’s office has warned opposition leader Alexei Navalny that he could face legal action because of an assertion on the internet(...)

As Moscow’s acting mayor, Sergei Sobyanin has curtailed the city’s building boom, made improvements to its infrastructure and is perceived to be free of the corrupt practices that have bedevilled Russian society. Photograph: Reuters/Maxim Shemetov

After the presidency it’s possibly the most powerful job in Russia. The campaign for mayor of Moscow was in full swing until late on Saturday evening (...)