UPDATE: Story updated July 30, 17.45 KT to add detail about purpose of flights

Five North Korean Air Koryo flights are, unusually, scheduled to fly to Vladivostok on Monday, data from the Russian airport’s arrival board currently shows.

Notably, three of the five arrivals will operate using Ilyushin-76 cargo aircraft – the type Kim Jong Un uses to transport his armored limousine overseas – while two are using Il-62 and Tupolev-154 passenger planes, the data shows.

“Today (Air Koryo) are flying extra flights apart from standard passenger ones,” a spokesperson from Vladivostok airport told NK Newsof the extra movements