Expiry of nuclear weapons pact between US and Russia risks new arms race

Ending of New Start treaty will remove mutual limits on the worlds two biggest nuclear arsenalsThe New Start treaty between the US and Russia will expire on Thursday, removing the last remaining mutual limits on the worlds two biggest nuclear arsenals.The milestone will be a death knell for more than five decades of arms control at a time of surging global instability, contributing to a general collapse of the rules-based international order established after the second world war.