Firefighters and investigators work at the accident site of bus fire in Helan County, northwest China's Ningxia Hui Autonomous Region, Jan. 5, 2016. Fourteen people were killed and more than 31 others injured, after the bus caught fire Tuesday morning. [Photo: Xinhua]

Police in the northwestern Chinese region of Ningxia have named a suspect connected to a bus fire that killed 14 people and injured 32 others early this Tuesday morning.

34-year-old Ma Yongping is being considered the prime suspect.

A local transit bus caught fire while on the morning commute in Ningxia's capital, Yinchuan.

Of the survivors, 8 are said to be in serious condition.

Police have not provided a possible motive for the suspected attack.