Former Russian president Dmitry Medvedev - now deputy head of the country's powerful Security Council - blamed NATO nations for forcing Moscow's hand.

"Expect further steps," Russian Security Council Deputy Chairman added

Ex-Russian President Dmitry Medvedev warns of ‘further steps’, blaming NATO’s ‘anti-Russian policy’.

Former president blames Nato countries for withdrawal from Cold War-era agreement

Former Russian president Dmitry Medvedev - now deputy head of the country's powerful Security Council - blamed NATO nations for forcing Moscow's hand.