A city-bound IndiGo flight from Cochin carrying 173 passengers onboard was diverted to Bangalore on Friday, where it made “precautionary” landing after a “smoke warning” was detected in the cargo hold of the Airbus A320 plane. As soon as the flight landed, the flight crew along with the airport fire services examined the cargo hold area but no smoke was observed, IndiGo said. All passengers are safe, it said. IndiGo confirms that its flight 6E-516 flight operating on Cochin to Delhi route made a precautionary landing at Bangalore airport this morning at 0745 hours, the airline said in a statement. While the aircraft was airborne, the flight commander noticed cargo hold smoke warning in the cockpit, it said adding keeping in mind the safety, the flight crew immediately discharged fire extinguisher which is as per the Standard operating procedures prescribed by the manufacturer. The Pilot-in-Command simultaneously informed the ATC and requested for precautionary landing at the Bangalore airport, it said. After landing, all 173 passengers were deplaned at the Bangalore airport as per normal procedure, the statement added. The incident is being probed both by the Directorate General of Civil Aviation DGCA and IndiGo’s safety department, the airline said.