Deadly storms and tornados wreaked havoc in northern Texas, northwestern Arkansas, and some regions in Oklahoma and Kentucky.
The weather left nearly 600,000 residents in 13 states without power, obliterated homes and injured hundreds.
In Texas, around 125 people escaped with their lives after the filling station they had taken shelter in was destroyed.
Sunday was the busiest severe weather day in the US so far this year, with more than 600 reports of storm damage across 20 states.