The Federal Aviation Administration on Tuesday issued a ground stop for flights to Dallas Love Field as the airport responded to a fire alarm.

Dallas Fire and Rescue was dispatched to Love Field at 2:09 p.m., after the alarm was triggered at the airport, Jason Evans, a spokesperson for the department, told The News in an email.

“I’m unable to confirm whether there was a fire but the first arriving engine company reported out with ‘overheating equipment’,” Evans said. “Units are still on scene, the terminal has been evacuated (by Love Field) and there have been no reported injuries.”

Patrick Clarke, a spokesperson for Love Field, initially confirmed the evacuation. Shortly after 3 p.m., Clarke said the alert had been cleared and that travelers were preparing to be re-screened at security.

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The FAA said that the stop was in effect until at least 4 p.m. and the probability it would be extended was between 30% and 60%. A ground stop prevents flights destined for North Texas from taking off until the FAA lifts the advisory.

Southwest Airlines is headquartered at Love Field and operates 18 of the airport’s 20 gates.