Iran's president, Ebrahim Raisi, and the foreign minister, Hossein Amir Abdollahian, died in a helicopter crash, prompting a national day of mourning in Iran. Supreme Leader Ayatollah Ali Khamenei led funeral prayers in Tehran, with thousands of mourners in attendance. Tight security measures were implemented, and public transportation was made free to facilitate attendance. The funeral procession and a high-profile ceremony with foreign dignitaries are scheduled. While some foreign leaders are expected to attend, the Kremlin has declined. Despite controversy, Ismail Haniyeh of Hamas attended the observances. The crash's cause is under investigation, with reports of a technical failure and normal weather conditions before the crash.