If Japan joins Aukus, will China, Russia, North Korea make a Rucndprk? (And will Seoul sign up to JauSKus?)

• The possibility of a ‘Jaukus’ military alliance between the US, UK, Australia and Japan could push Moscow, Beijing and Pyongyang into a mirror group, experts say
• But while Japan has been vocal on Taiwan, it won’t want to upset trade with China. And as Seoul needs Beijing to deal with Pyongyang, JauSKus looks even more unlikely