USA TODAY - Atlanta's Hartsfield-Jackson International Airportsays passengers have been allowed to returnto Concourse D after it a brief evacuation because of an "small electrical explosion" early Tuesday morning.
The airport says there were no injuries in the incident, which occurred around 8:40 a.m. ET. Passengers were allowed back into the concourse around 10 a.m.
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Janet Ward, a spokeswoman for the Atlanta Fire Department, tells The Atlanta Journal-Constitution that there was no smoke of fire from the explosion, which occurred in a ramp-level maintenance shed and caused a power outage in the concourse.
The Journal-Constitution writes that "Southwest Airlines, which acquired AirTran Airways, said it had limited flight delays. Delta Air Lines said it had no cancellations and expected no significant delays."