Video shows heavy rain and flashes of lightning as tornado passes through Norman, Oklahoma

Severe storms ripped through Oklahoma, USA, wreaking havoc with gusts up to 90 mph - and at least one tornado.A video filmed in Norman, a suburb of Oklahoma City, shows heavy rain and wind through flashes of lightning as the tornado passes nearby. The National Weather Service office in Norman warned residents at about 9:25 p.m. Sunday to seek shelter from a confirmed tornado.“To those who are asking: 'We are okay and continuing to operate from our shelter-quality office',” NWS Norman tweeted. “We believe a tornado just passed by just to our south in southeast Norman.”According to the City of Norman, 12 non-critical injuries were reported and there were no fatalities. Norman Police chief Kevin Foster said that multiple homes and structures were damaged, and many roads were still closed due to downed trees and power lines.