3 dead in shooting at U.S. Oklahoma Walmart

Three people were killed in a shooting at a Walmart store in Duncan, U.S. state of Oklahoma, on Monday morning, according to local media citing the Oklahoma Highway Patrol.

Duncan Police Department has confirmed that three people were dead, including the suspect. But the suspect has not yet been identified, according to reports from The Duncan Banner, a local newspaper.

The shooting happened at a parking area of the 24-hour Walmart supercenter in Duncan, about 130 km southwest of Oklahoma City, the capital city of Oklahoma.

Duncan is a city and county seat of Stephens County and the population was over 23,000 at the 2010 census.