URUMQI, Jan. 9 -- Seventeen officials in northwest China's Xinjiang Uygur Autonomous Region were punished for dereliction of duty after a series of terrorist attacks in the region in September 2014.

The disciplined officials deemed negligent included Liu Fulin, Communist Party of China (CPC) chief of Luntai County, and his deputy and other county and township officials, according to ts.cn, the region's official website.

Most were given serious warnings and the CPC chief and government head of Terakbazar township were sacked.

Forty rioters died in a series of planned bomb attacks in Luntai County on Sept. 21, 2014. Six civilians were killed and dozens injured in the terror attacks.

Xinjiang is in the midst of an intensive crackdown on terrorism after a string of terrorist attacks in the region.