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Lethal' nitrous oxide canisters dumped in field after gang of 20 youths have laughing gas party - Chronicle Live
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The small silver canisters appearing on the streets of Wales and why they're so dangerous - Wales Online
Medway Council - We've seen these small silver canisters, used to inhale Nitrous Oxide (also known as laughing gas), on the streets of Medway. If you see these unsightly canisters on the
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What are THOSE metal canisters? MM investigates the drug craze sweeping the streets of Manchester - Mancunian Matters
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