Health
Born in jail to a mum with a heroin addiction - how US teenager Abby has been affected by drugs
The BBC's Quentin Sommerville spoke to the daughter of a former heroin addict about the effect drugs have had on her family.
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Quentin Sommerville
World
Inside Chicago's battle against the synthetic drugs flooding the US
The BBC's Quentin Sommerville reports from Chicago, where communities are battling a new wave of synthetic drugs.
World
Why a new wave of North Korean soldiers could fight in Russia's war in Ukraine
North Korea will continue to send its soldiers to fight in Russia's war, but only as long as it remains profitable, writes BBC Quentin Sommerville.