North Korean leader Kim Jong-un's close aide is in Moscow, possibly to organize Kim's visit to Russia.
According to sources in Moscow and Beijing, Kim Chang-son, the chief secretary of the regime's State Affairs Commission, arrived in the Russian capital on Tuesday.
They say the aide visited the Kremlin for an hour on Thursday.
The Kremlin's spokesperson refused to comment.
Kim Chang-son is in charge of protocols and logistics for Kim Jong-un's summits.
His visit to Moscow hints that Kim Jong-un may soon have a summit with Russian President Vladimir Putin,... to discuss bilateral ties and international sanctions.