UPDATE: 09/26/2014 12:05pm MetroSource is reporting that the groundstop has been cancelled at Chicago's O'Hare International Airport and Midway Airport.

Flights are taking off once again and being allowed to land at both airports.

Airport officials say it will take some time to catch up on delays.  Reports seem to indicate that a contract worker intentionally set the fire at the facillity.  Overall more than a thousand flights have been delayed or cancelled since 5:30am CT this morning.

UPDATE: 09/26/2014 11:40 Chicago's O'Hare International Airport says the ground stop is still in place.  It is now affecting more than seven hundred flights at O'Hare. Travellers are advised to check with their airlines for specific flight information.


UPDATE: 09/26/2014 1049
Flightaware.com now shows 788 flights from O'Hare have been cancelled; 258 from Midway have been cancelled.
UPDATE: 09/26/20014 10:46am 
WGN-TV reports that the man found in the basement has been brought to Aurora Hospital for treatment.  The fire has been extinguished but one FAA employee was treated for smoke inhalation.
UPDATE 09/26/2014 10:21am: ABC News is reporting that the FBI and ATF are on the scene. Flights at O'Hare International Airport and Midway Airport are grounded while authorities investigate. Tweet from O'Hare International Airport:

Original Story:

Flights into Chicago are being delayed, rerouted, or cancelled following a fire reported at an FAA radar facility in Aurora, Illinois.
They say a man with self-inflicted wounds has been found in the basement of the building, located at 619 West Indian Trail in Aurora, Illinois.

At least thirty Federal Aviation Administration officials were evacuated from the building.

This is a developing story and we will provide more information as soon as it is available.

Departures from Chicago were stopped at approximately 5:35am Central Time this morning.  According to a web posting on FlightAware.com as of 10:17am ET, 545 flights into and out of O'Hare have been cancelled and 175 have been cancelled at Chicago's Midway Airport.

Here is a link to video from by Chicago's WGN-TV:

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