A Chinese man attacked two US tourists, killing one, and a Chinese tour guide in a rare attack on foreigners in Beijing, site of the 2008 Olympic Games.
Tang Yongming, 47, from the eastern city of Hangzhou, jumped to his death from the second storey of popular tourist spot the Drum Tower after the incident, Xinhua news agency cited a Beijing city government spokesman as saying.
Xinhua did not give a motive for the attack.
Beijing has been quiet in the run-up to the Summer Games, with security tight across the capital and thousands of security officials patrolling Games venues and streets.