Drug use in England spikes during bank holiday weekends, heatwaves and sporting events, with Eurovision ranking as one of the most drug-fuelled nights of the year. Scientists conducted tests at 15 water treatment plants across the country, and found particularly high levels of cocaine and ketamine that was linked to the changing seasons and the weekend. The analysis, which was conducted in 2022, and involved more than 1,700 water samples, showed that drug use was more prolific during England’s World Cup football matches, summer heatwaves and the late Queen’s platinum jubilee. The Eurovision song contest, which takes place each May, was linked to rises in cocaine, ketamine, MDMA and methamphetamine. The project, which was led by Imperial College London for the Home Office, will assist emergency services in preparing for drug-related incidents and when to bolster public health messaging.…