A Lucknow-Delhi flight was delayed on Friday after a hoax bomb threat was received shortly before it was to take off, PTI reported.The IndiGo flight carrying around 180 passengers was scheduled to depart from Lucknow for Delhi at 10.45 am.

The crew of the aircraft received information about a possible bomb threat on board. Following the alert, the aircraft was halted at the apron while security personnel launched checks of the plane and surrounding areas as a precautionary measure, sources said.

 A tissue paper with "bomb" written on it was found inside the lavatory of the aircraft, triggering panic. However, officials later confirmed it was a hoax. As of now, no bomb or any harmful substance had been found in the aircraft during the inspection, the official said. The flight had not yet taken off.