India, April 20 -- Tornado sirens sounded in Durant on Sunday as severe weather moved through Bryan County, Oklahoma. A tornado warning has been issued for Durant, Calera, and Caddo until 12:00 AM CDT. Ping pong ball-sized hail was reported in these areas.

The National Weather Service issued an alert saying, "At 1149 PM CDT, a severe thunderstorm capable of producing a tornado was located near Caddo, moving northeast at 45 mph. The storm is also increasing again near Durant. Tornado and ping pong ball size hail reported. Locations impacted include Durant, Caddo, Bokchito, Bennington, and Armstrong."

Several residents took to Facebook to report hearing tornado sirens in Durant as severe weather swept through the area.

"Tornado sirens go...