The head of the international watchdog monitoring nuclear tests has warned that a US return to testing being contemplated by the Trump administration would present a “grave challenge to global peace and security”. Lassina Zerbo, the executive secretary of the Comprehensive Nuclear-Test-Ban Treaty Organisation (CTBTO), was responding to the news that staging the first US underground test in 28 years had been discussed at a high-level White House meeting on 15 May. The idea was shelved for the time being, but appears not to have been rejected outright. Drew Walter, acting deputy assistant secretary of defence for nuclear matters, said this week that an underground nuclear test could be carried out within months “if the president directed”.
Guardian 28th May 2020 read more »