Three people were fatally shot and two were injured at an apartment complex in the US city of Houston, a media report said.
The shooting happened at around 5 p.m. Wednesday, Xinhua reported.
According to the Harris County Sheriff's Office, a man shot all the five victims in the head.
Police have launched a manhunt to track down the gunman. The motive of the shooting is not yet known and the identities of the victims were not released.