US Defence Secretary Lloyd Austin expressed sharp criticism on Tuesday of a warning from Russian Foreign Minister Sergei Lavrov regarding a pending World War III and the possible use of nuclear weapons. “You’ve heard us say a number of times that that kind of rhetoric is very dangerous and unhelpful,” Austin said following an international conference on supplying weapons to Ukraine held at the US air base in Ramstein, Germany. “Nobody wants to see a nuclear war happen. Dangerous rhetoric is clearly unhelpful. And something that we won’t engage in,” he added. Speaking on Monday, Lavrov said the…