Florida students to march on Washington in call for gun reform

"People keep asking us, what about the Stoneman Douglas shooting is going to be different because this has happened before and change hasn't come?" Mr Kasky said.

A video monitor shows school shooting suspect Nikolas Cruz, left, making an appearance before Judge Kim Theresa Mollica in Broward County Court. Source: AAP-Susan Stocker-South Florida Sun-Sentinel via AP, Pool