North Korean leader Kim Jong Un’s security detail arrived in Hanoi early on Sunday morning aboard a North Korean Air Koryo Ilyushin-76 cargo jet, photos posted by Vietnam’s Thanh Niên newspaper showed.

Dozens of tall men wearing black suits, white shirts, and ties could be seen disembarking the plane at Noi Bai International Airport and unloading several large cardboard boxes in the pictures.

Thanh Niên reported they had observed “about 100 people” getting off the aircraft, which in one photograph showed the cargo plane adjacent to an unmarked black SUV and tanker truck.

It is unclear, however, whether Kim’s limousine