Authorities responded to multiple casualties in Aurora, Ill., west of Chicago, Friday afternoon, including several police officers, after a gunman opened fire inside a Henry Pratt warehouse. The suspect was "neutralized," according to a spokesman for the City of Aurora.

At least five people are dead and five officers wounded, officials said. The suspect, identified as Gary Martin, 45, was killed in an exchange of gunfire with police, officials said. 

An Aurora police spokesman told The Washington Post that "multiple people ... multiple officers" were injured. Rush Copley, a community hospital in Aurora, said in a tweet that it received two patients involved in the shootings, and they were "being treated for non-life threatening injuries."

In an interview with ABC7, Aurora public information officer Clayton Muhammad said the injured officers were in "stable condition" and the suspect was "neutralized." Clayton also told the station schools came off lockdown around 3:45 Central time.

Tiffany Probst, 38, a legal assistant said her best friend saw a post on Facebook about the shooting and she started texting "that your dad might be inside!"

Her father, John, has worked as a machinist in the building for over 40 years. He has three grown children and has five grandchildren. Probst raced down to the factory but it was all blocked by police.

"I knew there was no way to call him because he's old school and never has a cellphone," then she heard from friends that her father was giving TV interviews and talking with the police.

"He's safe and talking to the news," she said. "He's not much of a talker, but when it comes to this, I can tell by his voice he's real shaken up. We are looking forward to giving him a hug."

Gabriel Gonzales, an Iraq War Marine veteran who can see the Henry Pratt warehouse from his front yard, said the number of police vehicles, flashing lights and armored cars were giving him flashbacks.

"When you are a combat zone you expect it," said Gonzales. "I've never seen this many police officers anywhere."

He was watching his grandchildren, who were mesmerized by the activity unfolding through the window, and worrying about their brother Anthony, whose school was put under lockdown.

"My grandson had a school lockdown at 8 years old. I mean, can you believe that?" Gonzalez said. "Back when I was a kid, it was just tornadoes."

Nancy Caal, who works at Erwin's Truck Repair near the scene of the shooting, told The Post that she heard the din of sirens as police cars and ambulances rushed to the building behind hers.

She and two others put the shop on lock down when they saw heavily armed officers heading toward the adjacent Henry Pratt warehouse.

"Nobody told us nothing," she said. "But we closed the gates and locked down the shop."

News reports of an active shooter there confirmed their fears shortly after.

"We are kind of nervous," Caal said. "It looks like something big is going on out there."