Father killed, another injured in explosion at NFL player Caleb Farley's North Carolina home

Caleb Farley's father Robert was killed in an overnight explosion that destroyed Farley's North Carolina home.
Another person was injured in the explosion and taken to the hospital with non-life-threatening injuries.
The cause of the explosion is under investigation but may have been due to a gas leak.
Farley was not home at the time of the explosion but was on the scene afterwards.
Farley's NFL team, the Tennessee Titans, expressed condolences and support for the player and his family.