Moscow may respond to Western sanctions by opting out of the last nuclear arms deal with the U.S., cutting diplomatic ties with Western nations and freezing their assets, a senior Russian official warned Saturday as Russia's ties with the West dived to new lows over its invasion of Ukraine.
Dmitry Medvedev, the deputy head of Russia's Security Council chaired by President Vladimir Putin, also warned that Moscow could restore the death penalty after it was removed from Europe's top rights group.
