Russian police arrest more than 200 anti-Putin protesters

Authorities in Siberia detain opposition supporters before Moscow rally to protest against president’s inaugurationPolice in Siberia detained more than 200 people at protests against Vladimir Putin’s rule in the run-up to an opposition rally in central Moscow on Saturday.Alexei Navalny, the opposition figurehead, has called for nationwide rallies to protest against inauguration on 7 May to a fourth presidential term. “Putin is not our tsar,” Navalny said in a video addres