UPPER DARBY, Pa. (CBS) – A lockdown at Upper Darby High School has been lifted following a text message threat, Thursday morning. The school was placed on lockdown around 9:30 a.m. and police were called to the school on Lansdowne Avenue.
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At approximately 9:25 a.m. Upper Darby High School was placed into lockdown due to receipt of a threat via a social media post threatening the High School. In accordance with our School Emergency Management Plan, Upper Darby Police were immediately notified and are on the scene. At this time we are taking precaution measures. All students and staff are safe and secure at this time. We will communicate more information to you as soon as it becomes available. Please DO NOT attempt to call the school or come to the school so that the police and the Upper Darby School District Team can secure the location and manage the incident.
Upper Darby police say there is no active threat and students and staff are all safe. The lockdown was lifted at 10:23 a.m.
BREAKING: Upper Darby HS is on lockdown. FROM POLICE: No active threat, all available police are on location investigating. FROM Upper Darby School District: HS was locked down at 9:25 due to receipt of a threat via a social media post. All students and staff are safe & secure.
— Joe Holden (@JoeHoldenCBS3) October 3, 2019
Police say students were included in a thread of text messages about a possible threat to the school. According to authorities, the text was sent by a student from another school in a different community.
No Upper Darby student was involved in making the threat.
There will not be an early dismissal and after-school activities will resume as usual.
The incident remains under investigation.