Inappropriate disposal of the cylinders also causes greenhouse gas emissions. Metro estimates at least 100 vape and smoke shops are selling them as whippets.

Warning over rise in exploding laughing gas canisters at waste centres - One operator said a canister rupturing is ‘akin to a small explosive going off’ ...

A huge fire has ripped through a set of major railway arches after a number of gas cylinders reportedly exploded. Fire crews have rushed to deal with the early stages of a blaze under the London ...