Updated

Oklahoma Highway Patrol officials say three people have been killed and at least 15 others injured after a North Central Texas College bus carrying the school's women's softball team collided with a semi-truck.

Capt. Ronnie Hampton says the collision happened about 9 p.m. on Interstate 35, south of Turner Falls.

Hampton says at least three people were declared dead at the scene. It was not immediately known how many people were on the bus.

A post on the North Central Texas College Facebook page requests prayers and says the school's "bus has been involved in an accident in Oklahoma."

Southern Nazarene University sports information director David Noblett tells The Oklahoman (http://bit.ly/1vo7lIS ) that North Central was scrimmaging SNU earlier Friday

Authorities say the bus was returning to North Central Texas College.