Washington-Liberty High School was put on lockdown Tuesday morning after a report of possible gunshots, but no injuries have been reported and no weapons were found, Arlington County police said.
Officers found evidence of discharged fireworks after responding to the school about 7:50 a.m., police said.
The school was kept in lockdown while officers searched the building and continued investigating.
Arlington police said about 10:30 a.m. that no evidence of a shooting was found.
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Arlington Public Schools are currently offering summer school courses, according to the school district's website.
APS said it dismissed students and notified families about the incident.
Stay with News4 for more on this developing story.
