NEW DELHI: The Vistara crew “did not observe” any type of misbehaviour by any passenger on its Delhi-Mumbai flight (UK 981) last Saturday (December 9), the airline has told aviation regulator DGCA in response to an allegation by a teenaged actress that she was harassed by a person seated behind her on the flight.Vistara also reportedly said that the mother of the teenaged girl, who was seated next to her, did not register a police report after reporting the matter to the airline at Mumbai airport on arrival.“At one point during final descent into Mumbai when the aircraft was in ‘sterile mode’ (when the crew cannot leave their seats as per safety procedures) the crew heard (the minor) speak loudly to the passenger seated behind her. But the crew was not aware of the subject matter of this discussion.” “After landing, even while the aircraft was taxiing, a crew member went to (the minor) and enquired if everything was alright. (She) did not respond to the question.Vistara got to know of (her) discomfort only after she informed the ground staff in the arrival hall that something had happened on the flight and she wanted to speak to a senior Vistara crew or staff…” “We have taken this incident very seriously and are committed to fully cooperating with all relevant authorities and the police,” the airline said.