Police officers stand guard at the site where the woman's husband was shot dead by a gunman in Xishibao village of Suning county, Cangzhou city, North China's Hebei province, June 9, 2015. [Photo/IC]

SHIJIAZHUANG - A woman fell to her death a day after her husband, a police officer in North China's Hebei province, died fighting a gunman, according to local authorities.

The woman fell from a local hotel on Wednesday morning, according to a spokesman with the public security bureau of Cangzhou city.

Her 48-year-old husband, Xue Yongqing, who worked with the public security bureau of Suning county, was shot dead by gunman Liu Shuangrui from Xishibao village of Suning, which is administered by Cangzhou.

It remains unknown whether the woman intended to kill herself.

Liu killed two fellow villagers and two police officers and injured five others in a series of shootings lasting from late Monday night until early Tuesday morning.

Liu was trapped in his house and found dead at around 5 am on Tuesday when police entered the house. The exact cause of his death is under investigation.

Related:

Four people killed in shooting in N China

Four people, including two police officers, have been killed in a shooting in China's northern Hebei province on Tuesday, China Central Television reported on its official microblog.

The suspect Liu Shuangrui was shot dead by police at the scene, according to local media Yanzhao Metropolis Daily. Five others have been injured, three of whom have been admitted to hospital in serious condition.

The 55-year-old suspect was said to be suffering from schizophrenia, and the case is under investigation.

Gun violence is rare in China as firearms are tightly controlled and private gun ownership is restricted.

In December, an employee of China's central bank shot and killed two colleagues at the branch he was working at in the northeastern province of Liaoning.