Gun violence is a serious issue in the US. Gun violence results in thousands killed and injured annually in the US. There have been more mass shootings in the US than in any other country. School shootings are common in the US.
From the White House lawn to Parkland, Florida, thousands of students across the US are commemorating the 19th anniversary of Columbine by staging a national walkout - despite calls from the school to refrain from such action.
Parents of two children killed in the Sandy Hook Elementary School massacre are suing Infowars frontman Alex Jones for defamation. Jones has consistently claimed the shooting was a hoax and the parents of the victims are actors.
A teacher at Marjory Stoneman Douglas High School, the site of the February shooting that claimed 17 lives, has been arrested for leaving his loaded pistol in a public toilet, where a homeless man later fired it.
Ginni Thomas, the wife of Supreme Court Justice Clarence Thomas, is the latest in a line of public figures under attack from the media for criticizing the survivors of the Parkland, Florida, high school shooting.