Flooding in Texas caused by Storm Harvey is expected to worsen as rainfall could almost double this week.
Thirty inches of rain has already fallen in Houston and more than 3,000 people have been rescued.
Thousands more are expected to be evacuated as waters continue to rise, according to the BBC. However at least nine people have already died as a result of the tropical storm.
Donald Trump is set to visit the state today (August 29) and has promised help for those affected by the storm. He has also declared a state of emergency for Louisiana.
Storm Harvey landed as a category-four hurricane on Friday (August 25) but was then downgraded to a tropical storm.
Flooding caused by the storm has been described as unprecedented by officials.
Take a look at images of the flooding in the gallery above