The Nigeria Civil Aviation Authority opened a probe into an airline after a passenger claimed to have started bleeding during a flight. The passenger said the cabin temperature was excessively high and the ventilation system was inadequate. The incident raised concerns about passenger safety and airline compliance with environmental standards. Investigators will examine whether the airline met the regulatory requirements for cabin ventilation and temperature control. The authority said it will assess the airline’s maintenance records and crew training related to cabin conditions. Findings from the investigation could lead to penalties or corrective actions if violations are confirmed. The case was reported by a local news outlet.