Row as Nato chief hints at talks to increase availability of nuclear weapons

The Nato secretary general, Jens Stoltenberg, has indicated that the military alliance is considering whether to increase the number of available nuclear weapons, triggering warnings from experts about the possibility of a new arms race. Stoltenberg said Nato could, for the first time, face a significant nuclear threat from two fronts - Russia and China - and that it may be necessary to increase the number of deployable warheads as a deterrent. Speaking to the Telegraph on Sunday, Stoltenberg said: "I won't go into operational details about how many nuclear warheads should be operational and which should be stored, but…