New Delhi, Aug 23 : A potentially catastrophic incident was narrowly averted at Delhi airport on Wednesday morning when a Vistara Airlines plane was cleared for take-off while another aircraft was in the process of landing. The take-off was swiftly cancelled following directives from the Air Traffic Control (ATC). The incident involved Flight UK725 en route from Delhi to Bagdogra, initiating take-off from the recently inaugurated runway, while a Vistara flight travelling from Ahmedabad to Delhi was concluding its landing on a parallel runway, moving towards the runway's end. "Both planes were authorised simultaneously, but the ATC promptly intervened. The ATC officer on duty instructed the Vistara flight to abort take-off," stated an official with knowledge of the situation,' said the sources. More details awaited. /IANS