Heroin

Police arrest 37 in major drug crackdown

County lines dealer jailed for Class A drug ring

Police close house which had £30k worth of heroin

More than 30 ill after taking fake heroin - Met

Trio jailed over supply of guns and heroin

Drugs operation netted £100k a month

Crack cocaine 'crisis' on Dublin's streets

Delay in opening of UK's first drugs consumption room

Two men jailed over £100m drug supply plot

'Ring and bring' drug dealers given jail sentences

Warning after fourth suspected drugs death

Dangerous nitazene drugs linked to rise in deaths

Illuminated. How Much Can You Say? Audio, 29 minutesIlluminated

Heroin testing could 'save lives' after two deaths

'I was an Indian girl on drugs - who could I tell?'

University tests Bristol heroin to find link with Devon batch

Fifth person held over 'unusual batch' of heroin

Warning over opioid up to '500 times stronger' than heroin

Second man dies after 'bad batch' heroin alert

Four arrests after death and 'bad heroin' alert

Man jailed for trying to smuggle drugs into country

Warning over heroin use after near-fatal cases

Gang jailed after huge class A drugs bust