Dozens of 911 calls for a “large explosion” and “lots of black smoke” flooded emergency radio channels in the moments after the UPS cargo plane tore through an industrial park in Kentucky according to new audio from the tragedy, which unfolded just yards away from shocked happy hour goers.

LOUISVILLE, Ky. (AP) — Videos from phones, cars and security cameras captured the tragic final moments of a UPS cargo plane as it caught fire and crashed in a massive explosion just outside Louisville’s airport, killing at least 12 people and carving a path of destruction on the ground.

“If you bring us to a week from today, Democrats, you will see mass chaos,” he said at a news conference. “You will see mass flight delays, you’ll see mass cancellations, and you may see us close certain parts of the airspace because we just cannot manage it because we don’t have the air traffic controllers.”

As flights continue to be canceled amid the shutdown, that could affect air cargo – which could eventually ripple into the supply chain and holiday deliveries. Here’s what to know.

Flight 171 was en route to London from Ahmedabad in western India on 12 June. It crashed into a building just 32 seconds after taking off. An interim report was released in July, but critics argue it unfairly focused on the actions of the pilots, diverting attention away from a possible fault with the aircraft.

The grim task of finding victims from the firestorm that followed the crash of a UPS cargo plane in Louisville, Kentucky, has entered a third day