had forced an airport in Baotou in Inner Mongolia to delay the landing of three planes by nearly an hour on Saturday night.
The unidentified flying object was seen hovering about four kilometers east of the Baotou airport at 8pm.
AOL news reports, that according to a Baotou airport spokeswoman, "The airport received a notice from the Hohhot Air Management Bureau about the appearance of a UFO.
"To guarantee security, the aircraft heading for the airport had to land at secondary airports. Otherwise, it may have led to collisions."
Two flights both from Beijing and Shanghai were diverted to the nieghboring airports on the said area.
The UFO, the third reported in China so far this year.
China's Xiaoshan Airport was shutdown in last month due to an identified object as well and one sightings in Hongkong few days ago.
Although the sightings of a flying objects in the 2 airports in China might be related to a Chinese military aircraft according to sources.