Synthetic opioid 40 times more potent than fentanyl found at scene of two deaths in Essex - Sky News
- Synthetic opioid 40 times more potent than fentanyl found at scene of two deaths in Essex Sky News
- Warning issued after dangerous opioid found at scene of suspected drug deaths Southend Echo
- Warning after 'synthetic opioid' found at scene of suspected drug deaths Express
- Basildon: Warning to drug users after deaths Essex Police
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