YINCHUAN, Oct. 18 (Xinhua) -- A Chinese man suspected of murdering seven people is wanted by police in northwest China's Ningxia Hui Autonomous Region.

Ma Yongdong, 24, was suspected of having killed his pregnant wife, his parents in-law, grandparents in-law, and two children in their home on the night of Oct. 14, according to the warrant issued by local police.

Ningxia Daily, the local mainstream media, has circulated the warrant on its official microblog on Thursday.

The suspect remains at large.