The incident involved a family from Shanghai, Jonathan Arthur, 34, and his wife Xun Sun, 35, who were preparing for a family wedding in London. As they approached the boarding gate for their British Airways flight, they noticed insect bites on their 1-year-old son Joseph’s leg. Concerned about potential allergic reactions, the family asked airline staff where they could purchase allergy medication. However, instead of providing assistance, the staff became suspicious and expressed safety concerns. The airline’s response led to a series of questions and a decision to deny boarding without an official medical letter, escalating the situation. The family eventually rebooked with another airline, stating their disappointment at being treated as a potential risk. British Airways defended their decision by emphasizing their commitment to passenger safety, though the family questioned the lack of medical evaluation from non-professionals. The episode has sparked ongoing discussions about the balance between airline safety protocols and passenger rights.