Boris Johnson should withdraw this reckless nuclear weapons plan | Letter

Musicians for Peace and Disarmament chair Tony Lamb and patrons including Peggy Seeger, Ralph McTell and Sir Mark Elder call for a reversal of the proposal to raise the cap on Britain’s nuclear warheads

Serhii Plokhy’s article (Boris Johnson is playing a dangerous nuclear game, 19 March) explains why this could not be a worse time for the government to raise the cap on nuclear warheads. Musicians for Peace and Disarmament (MPD) has been campaigning for a nuclear-free world since 1983. Although progress towards this end has been painfully slow, little did we expect such a sudden and profound setback as the recent announcement.

Related: Boris Johnson is playing a dangerous nuclear game | Serhii Plokhy