Paramedics met a Delta Airlines flight at Los Angeles International Airport on Wednesday to treat nine teenagers who apparently became ill after consuming food before boarding in Guatemala City, officials said.

Los Angeles Fire Department spokesman Brian Humphrey said the nine passengers consumed “common” food, possibly fruit, before the flight, prompting the medical emergency at Terminal 5 upon landing. The teens were traveling together, Humphrey said, and were experiencing nausea and vomiting.

None of the flight’s other passengers needed medical attention, he said, adding that none of the sickened teenagers required hospital care.

In a message posted on Twitter, Humphrey called the illness “mild to moderate” and not life threatening.

“The main reason for our alert is to clarify the reason for ambulances rushing to the airport,” he told The Times. “We want to remove fear, uncertainty and doubt.”

Airport spokesman Marshall Lowe said Delta Flight 1392 from Guatemala City landed at 11:21 a.m., with the captain reporting that the teens were possibly suffering from food poisoning. LAX had been the plane’s destination, he added.

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matt.stevens@latimes.com

Twitter: @MattStevensLAT