The picture shows the 24-story apartment building where the couple were found dead at home in Hongtong county, North China's Shanxi province on Nov 12, 2010. [Photo/Qlwb.com.cn]

A couple found dead in their home have been confirmed as serving police officers in Hongtong county, North China's Shanxi province, Qlwb.com.cn reported today.

Police confirmed the man and woman, who were discovered on Nov 12, both served at Hongtong county public security bureau.

The cause of death is still under investigations by the police.

A reward of 50,000 yuan ($7,521) has been offered for important clues and 100,000 yuan to solve the case.

Police named the dead man as "Wang Jianxiong" which differs from "Wang Jianxun" which was cited in initial reports. No clarification was offered.

It is believed the dead couple's children have returned from overseas to make funeral arrangements.