Friday night, when tornadoes swept through the St. Louis area, KMOV, the local CBS affiliate broke into its weather coverage with a report about ‘a mass casualty event’ at a nearby Holiday Inn.

Over the course of the night, viewers seemed to figure out KMOV’s initial report wasn’t true at the same time the station did. Twitter users picked up on the story as it unfolded and eventually the St. Louis Post-Dispatch put together a timeline tracking the story’s evolution. Here is a timeline we put together with the times of the KMOV reports along with twitter traffic.

8:30 p.m. -¬† Steve Templeton is updating viewers on the unfolding weather scene. He is interrupted by KMOV meteorologist Matt Chambers. “Steve, I have to stop you for just a moment,” says Chambers. “The folks back in the control room just tell me, and there will be more information on this shortly I’m sure, and this is an exact quote from the control room, ‘We have a mass casualty episode at the Holiday Inn in Earth City.’” Chambers adds, “What I can say right now is mass casualty event at the Holiday Inn in Earth City.”

8:30 p.m. – Viewer Stephen Bolen tweets, “Mass casualty at the Holiday Inn in Earth City, per KMOV. #stlwx

8:41 p.m.Andy Carvin,¬†senior strategist at NPR, tweets, “Apart from KMOV, is anyone else reporting a “mass casualty event” at the Earth City, MO Holiday Inn? Can’t find independent sources.”

Keep in mind Bolen lives in St. Louis. Carvin told TVSpy he lives in Washington, D.C.

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