Oklahoma residents were left shaken on Wednesday night when a tornado hit near the Tulsa area.
In a video, captured and shared on Twitter by one user, a dark cloud looms over a vast area as the tornado spirals and lightening strikes.
Oklahoma Emergency Medical Services Authority representative Laura O’Leary told CNN that seven patients had been transported to area hospitals and at least one person was in critical condition.
At 8:02 p.m. local time, the National Weather Service in Tulsa issued a warning on Twitter, and continued to update residents for hours after.
“Likely tornado on the ground between 66 and I-44 between Verdigris and Claremore moving ENE. Take cover immediately! #okwx,” the tweet read.
According to CNN, Amy Jankowski, who is a meteorologist with the Weather Service, reported that debris was being shot into the air. The city of Tulsa later tweeted, confirming some damage in certain areas and asking people to avoid them as crews were responding.
Parts of Arkansas, Louisiana, Mississippi, and Tennessee were also reportedly under tornado watch until 3 a.m. Central Time.