Residents and witnesses are reeling from the moments immediately following an explosion and building collapse in Chicago's South Austin neighborhood Tuesday morning that left eight people injured.
The collapse and explosion occurred shortly after 9 a.m. on Tuesday at 5601 W. West End Avenue, according to officials.
For residents, what was an ordinary September morning turned perilous within the blink of an eye.
"A big boom. Doors opening, windows shattering, it was crazy man," Ronald Martin, a resident who has lived in the building for several years, told NBC 5. "I was cooking breakfast, just a usual morning, was getting myself ready for work and it just stopped automatically."
Martin, who has lived in the building for over seven years, lives on the first floor and rushed out immediately at the sound of the explosion.
Otis Mading, a resident of a building nearby, said he was able to see into apartments of the impacted building in the seconds after explosion before evacuating his apartment.
"My body's never been shaken like this before," Mading said. No other buildings were damaged in the explosion, according to officials.
The explosion led to a massive emergency response, street closures and numerous evacuations as officials searched the surrounding area for anyone who may have been trapped in debris.
Fire officials said at least three people were believed to be in critical condition, while five others were in stable condition. All of the victims were taken to various hospitals across the city with injuries ranging from burns to traumatic injuries, according to fire authorities.
The department said an explosion occurred at North Central Avenue and West End Avenue, causing the upper floor of a residential building to partially collapse.
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More than 130 emergency personnel responded to the scene and search efforts were still underway as of 11:30 a.m., though fire officials said they did not believe there were any additional victims trapped.
"Right now we feel like we're confident we got everybody out," said Marc Ferman, deputy fire commissioner for the Chicago Fire Department.
Fire officials said the cause of the explosion was not immediately known but an investigation remained ongoing. Peoples Gas and ComEd confirmed both companies were responding to the scene, but it was unclear if gas was involved.
An unknown number of residents were displaced by the explosion and adjacent buildings were evacuated.
The building is owned by West End LLC, and managed by Urban Alternatives.
“This is a devastating event and we are heartbroken for all of our residents,” Roman Viere, owner of the building, said in a statement. “Our first concern is the health, well-being and safety of our residents. We are doing everything we can to cooperate with emergency services, and we are ready to do whatever we can to support our residents.”
Chicago Mayor Lori Lightfoot tweeted her thoughts were with the injured and the firefighters working the scene.
"My thoughts are with those who were injured and displaced in the building collapse in the Austin neighborhood. We must also thank the brave men and women of the Chicago Fire Department who are working to abate the dangerous conditions," she wrote.
Central Avenue was shut down in all directions between Madison and Lake Streets due to the incident.
This is a breaking news story. Check back for the latest updates.