Update2: Five people are dead, and five officers were shot.
Update: At least one person is dead, while the four police officers wher were shot are in stable condition.
BREAKING: City of Aurora tells @ABC7Chicago 4 police officers who were shot are STABLE! The shooter has been "neutralized".— Rob Elgas (@RobElgasABC7) February 15, 2019
BREAKING: The @ABC7Chicago I-Team reporting the Kane County coroner is responding to the now secure scene of a shooting in Aurora. There is at least one person dead.— Rob Elgas (@RobElgasABC7) February 15, 2019
BREAKING: Multiple sources telling the @ABC7Chicago I-Team the shooter in the Aurora workplace shooting is DEAD.— Rob Elgas (@RobElgasABC7) February 15, 2019
Man who opened fire at Aurora, Illinois, business was laid off about 2 weeks ago and was "very depressed," his sister says - WBEZ radio— BNO News (@BNONews) February 15, 2019
Police in Illinois have responding to calls of an ongoing active shooter situation at an industrial park in Aurora, Illinois, which is located about 40 miles east of Chicago.
"We are told that multiple people have been struck by gunfire," a spokesman for the Kane County State Attorney's Office wrote in an email Friday afternoon.
An Aurora police spokesman told The Washington Post the suspect has not yet been detained and "multiple people ... multiple officers" are injured. The spokesperson could not confirm any fatalities. Those in the Highland-Prairie area are being asked to shelter in place.
The shooter has reportedly been apprehended.
EMERGENCY UPDATE | 3 p.m.— City of Aurora, IL (@CityofAuroraIL) February 15, 2019
THE SHOOTER HAS BEEN APPREHENDED! The area is still on lock down!
More information will be provided soon.
The active shooter was first publicly confirmed by the city on their Twitter account.
"We have an ongoing active shooter incident at 641 Archer Av. This is an ongoing active scene. We will provide more information once confirmed," the Aurora police department tweeted Friday afternoon.
Live TV reports show dozens of first responder vehicles outside a building housing the Henry Pratt Co.
The Chicago field office of the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) announced in a tweet that it was responding to the active shooter reports.
FBI agents out of the Chicago field office are also responding to the scene and assisting law enforcement, a spokesperson for FBI-Chicago told ABC News.
Police have not said if anyone has been shot.