Northwestern Memorial Hospital was no longer on lockdown after a phone threat prompted SWAT response Sunday night on the Near North Side, according to Chicago police.
Officers responded to the incident at 251 E. Huron St. about 8:40 p.m. after a phone threat was made to the hospital, police said.
The hospital then went into lockdown as part of security and safety protocols, police said.
A systematic search revealed no threat to public safety and all personnel were accounted for, officials said.
An officer at the scene confirmed the hospital was cleared about 10:20 p.m.
No further details were immediately available.