Balloons And Laughing Gas Canisters Left On The Ground In A Public Park Stock Photo - Download Image Now - iStock
Nitrous oxide canisters / cream puff chargers and balloons: steel cylinders contain nitrous oxide / laughing gas which is used for legal high Stock Photo - Alamy
Recreational use of nitrous oxide - Wikipedia
Laughing gas cannisters are 'easily available in corner shops, online or over the phone' - Manchester Evening News
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Laughing gas to become illegal class C substance in UK | Nitrous oxide (laughing gas) | The Guardian
These used legal high canisters were left strewn across a residential street close to a children's playground - Wales Online
What is nitrous oxide? What you need to know about laughing gas set to be banned by the UK government | UK News | Sky News
Warnings over 'dangerous and addictive' craze of laughing gas | ITV News Wales
Over 100 discarded laughing gas canisters and 'hippie crack' balloons found in High Wycombe street | Bucks Free Press
Nitrous Oxide canisters, balloons and boxes litter the Thames Path after youths spend the night inhaling the laughing gas Stock Photo - Alamy