SEOUL -- At least two people were killed and three others wounded in a gun-related incident which happened in a South Korean reserve forces training center, Yonhap News Agency and YTN reported Wednesday citing the Army.

The Army was quoted as saying that a reservist shot blindly at other reserve forces at about 10:44 a.m. local time (0144 GMT) in the military training center for reservists in the capital of Seoul.

The shooter killed himself after the random gun-firing. One died after being taken to a nearby hospital, and three others were wounded. Among the three, one is sustaining a serious injury, raising fears over further death.

The exact cause of the incident hasn't been known yet. The Army said it is investigating into the incident.