Russian President Vladimir Putin has accepted North Korean leader Kim Jong-un's invitation to visit Pyongyang.

According to North Korea's official Korean Central News Agency (KCNA), Kim made the invitation after a summit with Putin at the Vostochny Spaceport in Russia's Amur region, where they met for the first time in more than four years.

Kim said his visit to Russia was an "important" opportunity to promote bilateral cooperation and relations to a higher level and invited Putin to visit North Korea "at an appropriate time."

Putin accepted this invitation, the statement said.

Kim and Putin met

Kim met with Putin yesterday at the Vostonchny Spaceport in Russia's Amur region.

The two leaders toured the facilities of the new base and inspected the assembly workshop of the "Angara" space rocket complex launch vehicle, the launch complex of the "Soyuz-2" spacecraft and the launch complex under construction for the "Angara" vehicle.

Kim said that he had seen with his own eyes the present and future of Russia's space power building and said that they had held a meeting in Russia at a very special time, at the very heart of space power.

Describing the talks with Kim as "fruitful", Putin said they exchanged views on the situation in the region and bilateral relations.