US gun violence

'Chaotic' scenes at YouTube HQ. Video, 00:01:33'Chaotic' scenes at YouTube HQ

'Active shooter' at YouTube headquarters. Video, 00:00:20'Active shooter' at YouTube headquarters

Cop's close shave in barbershop gun fight. Video, 00:01:06Cop's close shave in barbershop gun fight

'Making friends won't stop school shootings'

Is gun control movement #NeverAgain too white?

The 11-year-old American with a rallying cry

'Chicago goes through this every day' Video, 00:01:47'Chicago goes through this every day'

Dunblane families join US gun law protest

Students get stones to ward off shooters

YouTube gun ban drives bloggers to PornHub

'It's easier to buy a gun than spray paint'

'Greatest nightmare - our children attacked' Video, 00:00:27'Greatest nightmare - our children attacked'

US boy, 9, 'kills sister over video game'

Cop lingers outside Florida school attack. Video, 00:01:04Cop lingers outside Florida school attack

US students in mass walkout for gun reform

Shoes mark young US gun victims. Video, 00:01:42Shoes mark young US gun victims

Florida gunman faces death penalty

Trump drops calls to raise guns age limit

US veterans home attacker was ex-patient

NRA sues as Florida signs gun-control law

Kansas man admits murder of Indian worker

School shooter praises Florida students