Increased police presence at Gaithersburg High School following possible threat

Name: Increased police presence at Gaithersburg High School following possible threat
Uploaded: 2018-02-20T12:00:00+00:00
Duration: 30 s
Description: Police in Montgomery County have stepped up their presence Tuesday at Gaithersburg High School after an investigation into a possible threat.

Police in Montgomery County have stepped up their presence Tuesday at Gaithersburg High School after an investigation into a possible threat.

Posted February 20, 2018 8:46am EST