Tornado roars through Enid, Oklahoma, destroys homes, forces Air Force base to close

A powerful tornado in Oklahoma ripped roofs off buildings, destroyed homes, knocked down utility poles and forced an Air Force base to close.

LIVE: Structural damage reported after large tornado spins through northern Oklahoma

A tornado watch is in effect for much of central Oklahoma, and tornadoes have already spun up in the northern parts of the state on Thursday evening.