The Broward Sheriff's Office said they are investigating the threat that was made on social media on Sunday.

Six Members of Congress visited Parkland, Florida, on Monday to tour the site of the Marjory Stoneman Douglas High School mass shooting. ABC News’ Phil Lipof spoke with Manuel Oliver ...

a senior at Majory Stoneman Douglas High School — where 17 people were shot and killed two weeks ago — is quickly gaining visibility as a gun violence prevention activist. And on Saturday ...

At least 17 people were killed in a shooting at Marjory Stoneman Douglas High School in Parkland, Florida, on Wednesday, February 14, authorities said. The suspect, 19-year-old Nikolas Cruz ...

Flowers and crosses are left in memory of the victims on a fence near Marjory Stoneman Douglas High School. A sunset vigil ceremony at the Pine Trails Park amphitheater. There was the raw anguish ...

The Marjory Stoneman Douglas girls flag football team is making a statement to start the season, winning their first eight ...