A police officer stands guard Monday in front of the office of Wadai Kogyo

One person has been killed and three others wounded in a shooting at a construction firm in western Japan, Japan's NHK World reported. 
Police said they responded to a report from a person who heard what sounded like gunfire at the firm, Wadai Kogyo, in Wakayama City on Monday morning. 
They said 4 male employees had been shot, and one of them, a 45-year-old man, had died. 
Police said a man who appeared to be in his 40s or 50s fired what seemed like a handgun before fleeing the scene. 
One man who was wounded told police he knew the alleged shooter by sight. 
The company is located in a residential and factory area.

Source: QNA