CHIFENG -- Several officials have been suspended from their duties following a deadly colliery blast that left 32 dead in northern China's Inner Mongolia Autonomous Region Saturday.?

Those that were relieved of their posts include the deputy heads of the work safety bureau of Chifeng City and the work safety bureau of Chifeng's Yuanbaoshan District, according to the city government.?

Police have detained those in charge of the coal mine.?

The explosion occurred around midday Saturday at Baoma Mining Company in Chifeng.?

A total of 181 people were working underground at the time of the accident, with 149 workers managing to get above ground to safety.?

The State Council has approved a team to investigate.