Russian President Vladimir Putin accepted an invitation to visit North Korea, the state-run KCNA reported on Thursday as strongman Kim Jong Un ended his rare trip to Russia. Both leaders met at the Vostochny Cosmodrome in Amur, in Russia’s far eastern region, where Putin took Kim Jong Un on a tour, showing him launch facilities for the Angara and Soyuz-2 space rocket launchers before holding a two-hour long summit. After the talks, both leaders exchanged pleasantries and presided over a dinner host Putin held in honour of the North Korean leader. “Our relations were established back in Korea’s fight for…