India, Feb. 23 -- Following the death of a former military flight instructor, Flight Sergeant Zach Stubbings, Prince William is expected to undergo a series of medical tests.

During the prince's time serving military helicopters, including the Sea King aircraft that Stubbings trained him on, the RAF station was rated as having high concentrations of toxic exhaust fumes that could lead to ill health in pilots, including exposure to 7.5 micromoles of carbon monoxide per litre of air.

While studies have suggested that long-term exposure to these emissions might be associated with several cancers, which has led to new debates over the well-being of military veterans and current personnel.

Both King Charles III and Kate Middleton have been ...