Surveillance video captured the moment that severe weather hit a hospital in Oklahoma, and ripped the roof right off the building.

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A hospital in Sallisaw, Oklahoma, saw extensive damage as thunderstorms hit the area, knocking out power to thousands.

Severe storms tore part of the roof off a hospital in northeastern Oklahoma Tuesday, part of a broad severe weather threat that spanned nine states across the southern U.S.

An eastern Oklahoma hospital was badly damaged as severe storms moved through the state on Tuesday. Around 5 p.m., the city of Sallisaw was hit by storms that brought down power lines and tree limbs ...