 Four people were killed and another critically injured after a hot-air balloon crashed Sunday morning near Eloi, Arizona Authorities said Eloi police said the crash occurred Sunday morning in a rural desert area about 60 miles south of Phoenix Skydivers were able to exit the balloon without incident and completed their their planned skydiving event and then shortly thereafter Something catastrophic occurred with the balloon causing it to crash to the ground said Eloi acting police chief Byron Gwaltney They saw the last 10 seconds before the impact And they said that the material of the balloon portion was just straight up added Eloi mayor Micah Powell The victims names are being withheld until their relatives can be notified police said the National Transportation Safety Board and Federal Aviation Administration are investigating the cause of the fatal crash But it's just an absolute tragedy for our community