Watch: Police Burst Into Brown University Library to Rescue Students | WSJ

Law Enforcement Actions - Police presence and intervention [1][3] - Instructions for individuals to raise their hands [3] - Assurance of safety and assistance from law enforcement [3] - Orderly evacuation instructions [3] Incident Management - Assessment of potential injuries [3] - Instructions to retrieve personal belongings [3] - Emphasis on quick and orderly movement [2][3]