Texas dairy blast: 18K cattle dead, 1 injured

Explosion at Texas dairy farm kills 18K cows, 1 person injured

Blast occurred in holding area before milking at Southfork Dairy Farm in Dimmitt

Very few cows in holding area survived, some may need to be euthanized

Police received multiple calls about explosion and fire

Only one person, a woman, was trapped in the dairy building

Trapped individual rescued and airlifted to hospital for treatment

Other dairy employees were accounted for and safe

Texas State Fire Marshal's Office investigating cause of fire

Incident occurred on Monday evening

Castro County Sheriff's Office and local officials involved in response and investigation.