Putin flies into North Korea with promise to back it against the US

Russian President Vladimir Putin is welcomed by North Korean leader Kim Jong Un upon his arrival Wednesday, at an airport in Pyongyang, North Korea. (KCNA/ REUTERS)

SEOUL/MOSCOW — Russian President Vladimir Putin arrived in North Korea on Wednesday for his first visit in 24 years, vowing to deepen trade and security ties with the reclusive nuclear-armed state and to support it against the United States.