Students from the Parkland high school where a mass shooter killed 17 people last week, protested at the Florida state capitol, demanding a ban on weapons like the one that killed their classmate. Student activists from around the country joined in with "walk outs" of their own.
Police in California said they may have thwarted a school shooting after a resource officer reported a "disgruntled student" who threatened a school shooting; a "collection of weapons" were allegedly found in his home.
Port Authority police arrested 19-year-old delivery man Bruce Lee after he tried to bike through the Lincoln Tunnel.
Jennifer Lawrence responded to critics of a dress she wore in London, telling them to "get a grip."
Recep Erdogan says Turkey will work on developing unmanned tanks.
Snapchat responds to a Change.org petition about its latest redesign.
A self-taught astronomer became the first person to witness the surge of light at the birth of a supernova when he captured images of 2016gkg.