LOCKPORT, N.Y. (WKBW) — A technical system error caused a 30-minute lockdown at Starpoint Central School District in Niagara County on Wednesday morning after an active threat alert was mistakenly sent out.

Students and staff sheltered in classrooms until Niagara County Sheriff's deputies determined it was a false alarm.

"It triggered an immediate response," said Niagara County Sheriff Michael Filicetti. "In total, we had 12 cars on scene, it was really an immediate response."

Teachers quickly moved students from hallways into classrooms during the lockdown, according to Starpoint School Union President Mike Luick.

WATCH: 'It was scary, it was real': False alarm triggers lockdown at Starpoint Central School District 'It was scary, it was real': False alarm triggers lockdown at Starpo

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