SALINA— Law enforcement authorities are investigating after a 4-year-old boy fired a semi-automatic handgun into a living room chair at his home.

Two adults were home Thursday when the weapon was fired, according to Salina police Capt. Mike Sweeney. There were no injuries.

Police are working to learn how the boy got the gun. Sweeney says the case is being referred to the county attorney for possible charges of child endangerment.