Islamabad, April 23 -- North Korean leader Kim Jong Un will visit Russia for a summit with Russian President Vladimir Putin, North Korean state media confirmed.

With his Russia visit, North Korea's Kim is seen working to build up foreign support for his economic development plans, since the breakdown of the second US-North Korea summit in Hanoi in February led to stalled talks with Washington on the sanctions relief Pyongyang had sought.

State media Korean Central News Agency (KCNA) said the visit will happen "soon" but did not elaborate the time or the venue. Putin and Kim are on track to meet by the end of April, Kremlin spokesperson Dmitry Peskov told reporters on Monday.

Kim Jong Un's chief aide, Kim Chang Son, was seen in Vladivo...