A man detonated a small bag of black powder, believed to be gunpowder normally used to make fire crackers, in the arrivals hall of Terminal 3 at Beijing Capital International Airport.
The official Xinhua News Agency said a Chinese man in a wheelchair set off the device outside the arrivals exit of Terminal 3 at around 6:24 pm.
The man was injured in the ensuing explosion but no one else was hurt. Police and security personnel treated his injuries and led him away.
The explosion at Beijing Capital International Airport occurred in the arrivals hall of Terminal 3 shortly before 6:30pm local time, reports the South China Morning Post, citing social media.
Apparent eyewitness photographs of the aftermath of an explosion have been posted on the Chinese social networking site Weibo, but they have not been verified.
There has been an explosion at Beijing Capital International Airport, the South China Morning Post has reported.