Amazon’s plans to deliver parcels to customers’ doorsteps using drone technology have been dealt a severe blow.

Hundreds of flights to and from Chicago’s O’Hare, one of the world’s busiest airports, continue to be disrupted following an attempted suicide by an employee who set fire to an air traffic facility.

Want that Amazon order in just 30 minutes? Company CEO Jeff Bezos says he hopes to soon deploy an armada of mini-drones able to drop small packages at your doorstep.