Chennai: An Alliance Air flight from Chennai to Port Blair, which took off from Chennai airport with 70 passengers aboard, returned to base after the pilot of the flight noticed a technical snag, airport sources said.

The flight took as per its schedule at 05.15 hours (IST) but after flying for nearly 90-minutes, the pilot noticed that one of the engines was not working and returned to base, the sources said.

All the passengers were accommodated in various city hotels, the sources added.

PTI