A fire at the Chennai Airport's Air Traffic Control room in the wee hours today affected air traffic for almost four hours. Authorities say the fire broke out at around 2:30 am after batteries of a UPS burst, reports NDTV.

"There was a small fire by the bursting of batteries in the automation area. And there were flight disruptions from 2:30 am to 5:15 am. Around 5:15 we started the departures," said Suresh, Chennai Airport director. Airport authorities say flight departures will begin in half an hour.

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