Chinese authorities Saturday denied claims by a Uighur separatist groupthat it was behind a pair of bus bombings in the southwestern city ofKunming and the eastern city of Shanghai.
A group calling itselfthe Turkestan Islamic Party took responsibility for Monday's explosionin the city of Kunming which killed two people and for a May 5 bombingin Shanghai which killed three people.
In an online video, the group threatened to carry out more attacks during the upcoming Beijing Olympics.
The state run Xinhua news agency reports Chinese authorities deny the bus blasts were terrorist attacks.
Butearlier, Chinese authorities had called the Kunming blasts sabotage andsaid the explosions were deliberately set to go off at nearly the sametime.
The Turkestan Islamic Party also claimed responsibilityfor two attacks on July 17. A tractor bomb blew up at a police in theeastern city of Wenzhou and a plastics factory was bombed in thesouthern city of Guangzhou.
China has increased security ahead of the Olympic Games, warning of possible terrorist threats.