Phoenix Airport officials report that no one was injured when a United aircraft rejected takeoff during the roll seconds before rotation. United Flight 1600, scheduled to fly from Phoenix to Newark, N.J., exited the runway earlier today after a possible issue with overheated brakes, airport officials have said. Firefighters rolled the trucks as a precaution and no injuries were reported. A passenger aboard tweeted: “Holy crap. Currently on UA flight 1600, PHX to EWR. We were at full power accelerating down the runway, and the pilot slammed on the brakes just before takeoff. Fire trucks surrounding us now.” United released a statement saying a mechanical issue caused the crew to reject the takeoff. “The aircraft returned to the gate where customers deplaned normally. We apologize for the inconvenience and are working to get our customers to Newark as quickly as possible,” the United statement added.