“At this point, we can confirm the shooter is dead,” police said in the post, although it is not clear whether the shooting was self-inflicted.
“Officers are currently going through every room in the building checking for additional threats,” the post added.
Police were evacuating the building and evacuating victims Wednesday evening, Richard Meulenberg, with police, said Wednesday.
“We have multiple floors… with hundreds of rooms and hundreds of people within the building,” he said.
“We’re treating this as a catastrophic scene right now,” Meulenberg said.
There has been a reunification site set up for family members and friends at Memorial High School west of LaFortune Park, police added.
This is a developing story and will be updated.