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.
More top news
Regina Murmura was shot dead in front of her husband of 50 years, who tried to get her to hospital but it was too late.
Downpours across southern Britain will journey northwards to affect many places before the end of the day - some intense and thundery.
European court says US-EU treaty allowing transfer of personal data by US companies is invalid due to privacy fears.