NATO has reportedly warned its members about the mobilisation of a Russian nuclear submarine armed with a doomsday device. The submarine, which has “disappeared” from its White Sea base in the Arctic Circle, is suspected to be the K-329 Belgorod.

With its enormous cities and towering skyscrapers brightly clad in neon lights, Japan is a fun country to visit, full of history and with a rich cultural heritage. Temples and shrines dot its streets, while world-class restaurants rub shoulders with ancie...