Arms Race Intensifies in Korea as the North Is Emboldened by Russia Alliance

A rare escalation this month exposed the increasingly lethal arsenals the two Koreas are building up across the world’s most heavily fortified border.A photograph provided by North Korean state media showing the leader, Kim Jong-un, and his daughter, Kim Ju-ae, overseeing the firing of an intermediate-range missile from the country’s east coast during a drill in October.