Apparently a derailment to today's Empire Builder (operating today as #1007) shortly after departing Chicago. All I know is a Metra tweet reporting a delay on the 2:30pm Milwaukee West train (15 minutes after the Empire Builder departs) due to a derailment on "Amtrak #1007", since updated to say "near Lake Street" (which is near the north end of the terminal trackage and puts it under buildings). Amtrak is reporting a service disruption.
UPDATE: No new information about what happened but out of Glenview a little over seven hours late.
Larry
Reno, NV (yes, I've moved)
ex-N&W Sandusky, Ohio