Critics of the Russian regime have accused Vladimir Putin of sending spies to disconnect CCTV cameras at a prison complex just days before prominent Kremlin opponent Alexei Navalny died. Several officers from the FSB, Russia’s intelligence service, visited the Polar Wolf prison camp earlier this week, according to activists at the human rights group gulagu.net, before the opposition figure dropped dead aged 47 on Friday. The organisation has also claimed CCTV cameras were shut off at the complex in the hours before, as well as suggesting the speed at which authorities made comments on the incident was deeply suspicious. A...