Active Shooter at River Hill High School? Submitted by clarkymalarkey t3_xvnmni on October 4, 2022 at 7:05 PM in ColumbiaMD 17 comments 6
mhennessie t1_ir22qh1 wrote on October 4, 2022 at 7:36 PM Appears to be cleared and they are moving students but reported as "not in any danger" https://www.youtube.com/watch?v=DP6ur0wpMVE Permalink 4
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