Thunderstorms have killed four people and knocked out power to nearly a million homes and businesses in south-east Texas.
Two deaths came from fallen trees and one from a collapsed crane.
The storm has now moved on to the neighbouring state of Louisiana, with flood warnings in place for the Gulf Coast.
In Houston, traffic lights were out, office windows blown through and glass strewn across the city's streets.
Video footage shows windows and part of the roof of a building blown out from the storm's strong winds.
The Houston Independent School District district cancelled school on Friday following the storm.
This is the second time in six weeks that a deadly storm has swept through the Houston area.
Last month a tornado hit the suburb of Katy, killing one person and injuring 10.
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