Rescuers are continuing to sift through the rubble left by a devastating tornado that tore homes and businesses apart in Dallas as authorities confirm four people were killed as a late-night series of storms caused chaos in several states.
The tornado struck the tornado struck Dallas at about 9pm on Sunday night with devastating 111mph winds.
There were no reports of fatalities in Texas early Monday morning but search crews say multiple people were hospitalized for injuries.
One person died in northwest Arkansas when a tree fell on a home in Rogers, about 300 miles northeast of Dallas.
Two teenage boys, aged 14 and 15, died of carbon monoxide late Sunday in Weleetka, Oklahoma. The boys were using a portable gas generator in a travel trailer after the storms knocked out power in the area. The father of the younger boy went to check on them early Monday and discovered their bodies.
Another person died late Sunday night when a tree was blown onto a mobile home near Valliant in Oklahoma.