Meanwhile, it appears a high-level North Korean official is in Beijing.
He was spotted arriving at the Beijing Capital International Airport Tuesday,... and taking a VIP car into the Chinese capital.
The unidentified official was veiled by security staff holding black umbrellas.
Vehicles from the North Korean embassy were also seen surrounding the airport.
To a reporter's question about the trip,... China's Foreign Ministry wouldn't offer any details.
The ministry's spokesperson merely said North Korea and China continue to be on visiting terms as friendly neighbors.
The North's state-run Korean Central News Agency reported that a delegation led by Lim Gwang-woong, head of the General Administration of Civil Aviation,... left Pyeongyang Tuesday,... leading to speculation they were the ones being ushered out of the airport.