23 July 2016, 22:29 GMT
MOSCOW (Sputnik) – The incident took place at an apartment complex after 6:00 p.m. local time (23:00 GMT) on Saturday, KVUE TV-channel reported citing the Bastrop County Sheriff's Office.
One child was reportedly transported to a hospital with minor injuries.
The murderer is said to have committed suicide. His motives are unknown.