Marjory Stoneman Douglas High School students were among the activists who spoke at the "March for Our Lives" rally Saturday March 24, 2018 in Washington, D.C. Speakers at the event, which drew hundreds of thousands of people, included Emma Gonzalez, David Hogg and Yolanda Renee King, the granddaugh...

A gunman opened fire at Marjory Stoneman Douglas High School in Parkland, Fla. The victims included students and adults. A heavily armed man in Parkland, Fla., northwest of Miami, returned to the high school that expelled him and opened fire with an AR-15 semiautomatic rifle, the authorities said.

Hundreds of thousands of students, parents, teachers and their supporters took to the streets on March 24, 2018 in a mass show of force in favor of gun control and school safety. More than 800 marches across the U.S. and around the world took place in support of the main March For Our Lives rally in