Russia signs deal to deploy tactical nuclear weapons in Belarus

Russian defence minister Sergei Shoigu attends a session of the Council of Defence Ministers of the Collective Security Treaty Organisation (CSTO) in Minsk, Belarus (Vadim Savitsky/Russian Defence Ministry Press Service/AP)

Russia and Belarus have signed a deal formalising the procedure for deploying Russian nuclear weapons on Belarusian territory.

Control of the weapons will remain with Moscow.