At least 34 teenagers were stabbed to death last year in the UK. In just a decade, the number sentenced for carrying a knife has risen ten-fold. So why are so many of Britain's youngsters arming themselves with knives? And why do some kill?

Panorama investigates the rise of armed teenage street gangs and discovers how shockingly ingrained the culture of guns and violence is in parts of Britain

Bafta-winning director Morgan Matthews's landmark film exploring the impact of teenage killings on families and communities across Britain, an emotional journey that chronicles every teenager who died as a result of violence in 2009 in the UK.

Documentary which tells the surprising story of three dedicated individuals who try to protect their Chicago communities from the violence they themselves once perpetrated. These 'interrupters' intervene in conflicts before the incidents explode into violence.

Unreported World exposes the plight of hundreds of children in Burundi locked up for years without trial in adult prisons, among some of the most dangerous criminals in the country. And they meet one man who has dedicated his life to freeing them; Pierre-Claver Mbonimpa is the only hope many of these children have.