A member of the Saudi Emergency Force was killed in the eastern al-Qatif region, announced the Interior Ministry on Monday.
It said that First Lieutenant Fahd bin Saad bin Abdullah al-Kathiri was killed from a gunshot wound while performing his duties on Sunday.
The wound was caused by a misfiring shot and he was taken to hospital where he died from his injuries.
An investigation has been opened in the incident.
The Interior Ministry announced last week that soldier Abdullah al-Qahtahi was killed during a terrorist attack while he was carrying out his duties in the al-Bahari neighborhood in al-Qatif.