The Stoneman Douglas High school drama club perform "Shine," a song they wrote in the wake of the shooting at their Parkland, Florida, school. For more information visit: ShineMSD.org

At least 1,000 people attended a candlelight vigil Thursday night for the 17 people killed in a school shooting in Parkland, Florida. No words could sum up the emotion throughout the crowd. CBS Miami's Amber Diaz reports.

Eleven people were killed Saturday morning in a deadly shooting inside a Pittsburgh synagogue. The victims were remembered at a vigil in Pittsburgh Sunday night and at events across Canada.

People attend a vigil at the University of Nevada,after a gunman killed at least 59 people and wounded more than 500 others when he opened fire on a concert on the Las Vegas strip.

All around Parkland, Florida, a gun violence stricken community, we honor the 17 victims in this video as well as we support the survivors who are trying to make sense of a tragedy that had no logic. The shooting took place in South Florida, Braward County on Valentine's Day 2018.

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

Dozens of mourners gathered outside the tiny church in Sutherland Springs, Texas, to mourn the 26 people killed there on Sunday, November 5, 2017. More than two dozen people were also injured.

A vigil in Niagara Square Tuesday night honored the memory of a Williamsville North teen who took his own life after bullies targeted him.

Shine, written by Stoneman Douglas students Sawyer Garrity and Andrea Peña in response to the tragic shooting at their school on February 14, 2018 to inspire unity, hope, and change. MSD alum Brittani Kagan collaborated with students and faculty to create this music video to honor the victims and t