Stay up to date with notifications from The Independent Notifications can be managed in browser preferences. All News Sport Culture Lifestyle Related: Moment teen inhales laughing gas at wheel before crashing into and seriously injuring pedestrian The world's first roadside breathalyser designed to detect laughing gas (nitrous oxide) is currently undergoing trials with Hampshire and Isle of Wight Constabulary and Thames Valley Police. The device aims to address the “emerging threat” of motorists driving under the influence of nitrous oxide, which is a Class C drug whose unlawful possession can lead to a two-year prison sentence. Nitrous oxide use poses significant health risks, including unconsciousness, neurological damage, or death, and has been tragically linked to fatal road accidents. Developed by Respira Technologies, the portable breathalyser can detect nitrous oxide inhalation for up to two hours, providing results within minutes.…