Authorities in North Texas say at least eight people are dead, including the suspect, after a shooting at a home in Plano.
The shooting occurred on Sunday night in the city about 30 kilometres northeast of Dallas.
Plano police spokesman David Tilley says police initially responded to a report of shots fired. When the first officer arrived and went inside the home, the officer confronted the suspected shooter. Tilley says the officer opened fire, killing the suspect.
Two others were injured in the shooting. Their conditions have not been released.
The victims and suspect have not yet been identified. All of those killed and injured are believed to be adults.
Additional details were not immediately available. An investigation is ongoing.