US support to maintain UK’s nuclear arsenal is in doubt, experts say

Malcolm Rifkind joins diplomats and analysts urging focus on European cooperation to replace Trident

Britain's ability to rely on the US to maintain the UK's nuclear arsenal is now in doubt, experts have warned, but working with European states to replace it will be costly and take time.

An existing debate about the future of Trident - Britain's ageing submarine-launched nuclear missile system - has taken a dramatic new turn in recent weeks amid fears Donald Trump could pull out of Nato.