BILLERICA -- Billerica police were on the campus of Shawsheen Valley Technical High School Monday morning to reassure students and staff after authorities were alerted to a potential threat against the school on social media.
By Robert Mills, rmills@lowellsun.com, The Sun (Lowell)
Mon, 01/22/2018 - 9:49am
BILLERICA -- Billerica police were on the campus of Shawsheen Valley Technical High School Monday morning to reassure students and staff after authorities were alerted to a potential threat against the school on social media.