IndiGo Flight makes emergency landing after smoke alert in cabin

An IndiGo flight made an emergency landing at Kolkata airport on Tuesday after a smoke alert and all passengers were evacuated safely, the airline said.The flight 6E-237 was flying from Jaipur to Kolkata when the smoke was detected, but the plane landed safely at Kolkata.There was no earlier report of any malfunction with the A-320 airplane IndiGo said.