At least eight people have died after a shooting at a home in Texas.
The shooting occurred around 8pm in Plano, less than 20 miles (32km) northeast of Dallas.
Plano police spokesman David Tilley said officers initially responded to a report of shots being fired.
When the first officer arrived and went inside the home, the officer confronted the suspected shooter.
The officer opened fire, Mr Tilley said, killing the suspect.
Two others were injured in the shooting, and details of their condition have not been released.
The victims and suspect have not been identified and all of those killed and injured were believed to be adults.
Police also have not determined a motive for the shooting.
Mr Tilley said that a shooting of this magnitude was unusual for Plano and investigations are continuing.