Brown University student said an active shooter drill from high school helped them during shooting

How a Reddit post broke open the Brown University shooter case

Bondi Beach shooting: Man praised by authorities after disarming active shooter

At least 2 killed in shooting at Brown University

Heroic bystander wrestles gun from Bondi Beach shooter

Replying to @CNA A man was seen tackling one of two alleged shooters at Sydney's Bondi Beach on Sunday (Dec 14). The shooting left at least 12 dead, including one of the attackers, and multiple injured. Authorities say the second shooter is in critical condition. Australian police say the shooting targeted the Jewish community and the incident has been classified as a terrorist attack. It happened at an event celebrating the Jewish festival of Hanukkah. #australianews #australia #bondibeach #syd

Police: Bondi shooters inspired by IS, had traveled to Philippines | REUTERS