Students across the US have streamed out of their schools in the latest round of gun control protests following the February shooting at a high school in Parkland, Florida.

Students in the US will remember victims of gun violence and push for firearms control in another wave of school walkouts.

The mother of Columbine High School killer Dylan Klebold has said she had no idea anything was wrong with her son before the attack and thinks about the victims and their families every day.