Summit Between the Russian President and the North Korean Leader?

South Korean media reported today, Monday, citing unnamed senior government sources, that North Korean leader Kim Jong Un has departed on a special train to Russia to hold a summit with President Vladimir Putin. The Chosun Ilbo newspaper reported that Kim left Pyongyang late last night, and is scheduled to meet with Putin early tomorrow, Tuesday. The South Korean channel YTN stated that the special train will take Kim to the northeastern border of his country with Russia, and the summit will likely take place tomorrow, Tuesday, although it had previously reported it would be on Wednesday. Both reports referenced unnamed South Korean government sources. Japanese media noted that security measures have been tightened and beautification operations are underway at the main train station in the border town of Khasan, where Kim is expected to enter Russia. North Korean state media has not mentioned any plans for Kim's visit to Russia. The South Korean Ministry of Foreign Affairs stated that it is monitoring developments but has declined to confirm any details. U.S. and South Korean officials and analysts indicated that the Kim-Putin summit is likely to focus on military cooperation and a potential arms supply agreement. Earlier today, the Russian news agency Interfax reported that Kim, who rarely travels abroad, is expected to visit the Far East "in the coming days." The Kremlin stated on Saturday that Putin would be in Vladivostok, in the far east of Russia, to attend the Eastern Economic Forum that opened yesterday, but added he "has nothing to say" about a potential visit from Kim.