Here's the gov.uk page on adverse effects: https://www.gov.uk/drug-safety-update/glp-1-receptor-agonists-reminder-of-the-potential-side-effects-and-to-be-aware-of-the-potential-for-misuse

82 deaths linked to averse reactions to GLP-1 agonists, BMJ: https://www.bmj.com/content/388/bmj.r390 Unfortunately not open access.