The airspace over Ferguson is a no-fly zone once again.
No media helicopters or commercial flights are allowed in a three-mile radius up to an altitude of 3,000 feet.
Earlier Monday night, St. Louis County Prosecutor Robert McCulloch announced that a grand jury had declined to indict Ferguson police Officer Darren Wilson in the fatal shooting of
The no-fly zone is the strictest kind legally available to the FAA. It poses a challenge to pilots trying to land at nearby Lambert-St. Louis International Airport.
The airport remains open, but some Southwest Airlines flights have been diverted, officials told The Los Angeles Times.
"On board a flight DIA to STL when the pilot announced STL airport closing due to trouble in St Louis," tweeted Tim Ryan, a Denver TV journalist. "Returning to DIA."