Russia’s Putin arrives for summit with North Korea’s Kim

North Korean leader Kim Jong Un, center, is welcomed by Russian officials on his arrival in Vladivostok, Russia on Wednesday. The content of this image is as provided and cannot be independently verified. (Korean Central News Agency/Korea News Service via AP)

Russian President Vladimir Putin, right, and North Korea’s leader Kim Jong Un pose for photographers during their meeting in Vladivostok Thursday. (AP Photo/Alexander Zemlianichenko, Pool)

VLADIVOSTOK, Russia — Russian President Vladimir Putin has arrived in Vladivostok for a summit with North Korean leader Kim Jong Un.