Later on that evening, Jon and Mark's motorcycle was involved in a collision with another motorbike at the intersection of street 154 and Preah Ang Eng St in Phnom Penh. The collision occurred at around 1.30am in the morning. Jon died soon afterwards in Calmette Hospital. The driver of the other motorbike, a 36 year old Cambodian man was also killed. His motorcycle partner, a 24 year old woman was seriously injured as was Mark who was later flown to Thailand for further emergency treatment.