More than 30 students at a Maryland high school were attacked by bees on their way to school.

Students were stung after 8am Thursday as they were headed to Quince Orchard High School in Gaithersburg.

Ambulances and safety trucks were lined up flashing their lights in front of the school as they treated the students, according to Daily Mail.

Crews were looking for the source of the bees as it was not immediately clear where they came from.

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Montgomery County Fire spokesman Pete Piringer said crews believe they came from a hive that was off-campus.

A total of 32 students were checked, but only three were taken to a hospital with injuries that were not considered life-threatening.

Fire officials said they received reports that some students may have had allergic reactions to the bees.

Allergic reactions to bee stings are potentially life-threatening so officials took extra precaution in evaluating the teens.