"EK-524 from Dubai-Hyderabad was accelerating for take-off from runway 30R when the crew saw an aircraft coming in the same direction at high speed. Take-off was immediately instructed by ATC to be rejected. The aircraft slowed down safely and cleared the runway via taxiway N4, which crossed the runway. Another emirates flight EK-568, from Dubai to Bangalore, was rolling for departure was to take-off from same runway 30R," a person who was in the know said.