Two helicopters collided in mid-air and crashed in South New Jersey, killing one person and critically injuring another, according to reports. Harrowing video circulating on social media filmed from the parking lot of a Tractor Supply Co. store in Hammonton shows a large black plume of smoke in the distance as shocked onlookers reacted to the crash. The collision happened just after noon Sunday at 100 Basin Road in Hammonton, less than three miles from Hammonton Airport, according to Atlantic County Fire and EMS radio traffic. “We got one helicopter fully involved, I’m looking for the second one, I...