The Daily Mail reports that newly released 911 dispatch audio from the night US Senator Lindsey Graham died has revealed the emergency life-saving measures attempted before the 71-year-old's unexpected death. His passing is being treated as significant and somewhat mysterious, with reports that the FBI is assisting local police in their inquiries. The death is notable both because of Graham's prominence and because of the unusual circumstances surrounding it.

According to the surrounding coverage, Graham died one day after what is described as a secret trip to Ukraine, and against the backdrop of a reported Iranian plot to kill him. The FBI is said to be supporting police as they investigate the circumstances. The full substantive detail of the dispatch audio and the investigation is not available in the provided text, which is largely dominated by unrelated headlines.