Oklahoma Highway Patrol says three people are dead after a shooting at an Oklahoma Walmart this morning.

Investigators say the shooting happened in the Walmart parking lot.

Oklahoma Highway Patrol confirmed three people are dead including the shooter.

The Duncan Police Department says one female and one male were found dead inside of a car and one male was found dead outside of the car. 

Several schools in the area were put on lockdown because of the incident.

The shooting is currently under investigation, there are no reports on what led to the shooting.