The Kremlin said Thursday that Russia would make “maximum efforts” to prevent a nuclear war after a revision of Russian doctrine which broadens the possibility of using atomic weapons, amid tension between Moscow and the West around of the conflict in Ukraine.”We emphasized that, following our doctrine, Russia adopts a responsible position in order to make maximum efforts not to allow such a conflict,” declared the spokesperson for the Russian presidency, Dmitri Peskov, saying he hoped that “other countries” will have “this responsible posture”.