<p>Hundreds of students walked out of class on Tuesday, March 6, and headed for City Hall in Baltimore to add their voices to the call for stricter gun-control legislation. Students chanted “Grades up! Guns down!” on their way.</p><p>Mayor Catherine Pugh and Baltimore Police Commissioner Darryl De Sousa spoke to the students at the plaza outside city hall. Credit: Kaitlyn Brune via Storyful</p><br />
