No threat found after Chicago police SWAT team swarms Northwestern Hospital in Streeterville

CHICAGO - A Chicago police SWAT team swarmed Northwestern Hospital in Chicago's Streeterville neighborhood on Sunday night, but Northwestern said a couple hours later that no threat had been found.

Chicago police responded to the Feinberg Building at 251 East Huron around 8:30 p.m. after a phone threat was made to the hospital. The emergency room was put on lockdown.

A systematic search revealed no threat to public safety and all personnel were accounted for, officials said.

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An officer at the scene confirmed the hospital was cleared about 10:20 p.m.

In a statement issued around 10:25 p.m., Northwestern said "Earlier this evening, Northwestern Memorial Hospital was placed on an Armed Intruder alert. Hospital Security, Chicago Police Department and Northwestern University Police responded promptly and confirmed there is no active threat. At this time, the hospital has resumed normal operations."

The Sun-Times Media Wire contributed to this report.