Joseph Oduro was leading a study group at Brown University Saturday when a man carrying a gun walked into his classroom. He tells ABC News' Whit Johnson about the moment he looked the gunman in the eyes:

IWC watchmaker Thomas Zimmermann, meticulously assembling the Portofino Perpetual Calendar.

Behind the Scenes: How Precision Technology Makes Perfect Pizza!

We opened our kimchi after 25 days. Turned out be one of the best ones we’ve made. We added hairtail fish to a couple of batches and dad was so happy about it. He said, “I never imagined eating this in America! I am so blessed!” #kimchi #koreanfood #ramen #kdrama

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Shooting Incident at Bondi Beach: 9 Dead, Multiple Injured

This is the moment a bystander tackled an alleged gunman to the ground during the Bondi Beach mass shooting. Footage appears to show a man tackling one of the gunmen before taking his gun and pointing it at him, forcing the alleged attacker to retreat. New South Wales Police have confirmed that 10 people have died in the shooting, including one gunman. The other gunman is in police custody and injured. A further 11 people have been injured in the shooting, two of whom are police officers, accord