Five people have been killed in the tornado outbreak in the Oklahoma City suburbs, according to the Oklahoma medical examiner's office.
Over 100,000 people are reportedly without power in their homes after the storm caused destruction on a large scale.
Two of the deaths occurred in Union City and one was in El Reno, west of Oklahoma City, according to Reuters.
It has not yet been confirmed where the other two deaths occurred.
More top news
Northern Ireland's abortion laws break the EU human rights convention, Belfast High Court has ruled.
Amid calls for new laws to regulate the size of models, we look at how the face of fashion has changed over the past 60 years.
Amid calls for new laws to prevent models getting too thin, ITV News speaks to three women in the fashion industry to get their views.