Russia has dismissed calls from some western countries to impose sanctions after its arrest of the opposition politician, Alexei Navalny, on Sunday, when he arrived back in the country for the first time since recovering from a Novichok poisoning last summer.
We spoke to the Russian opposition activist Vladimir Kara-Murza, and started by asking him what he made of video released today, showing Vladimir Putin dunking himself in ice-cold water to mark the Russian Orthodox day of Epiphany – a ceremony that supposedly symbolises a person cleansing themself of sin.