Iran May 20, 2024 7:32 am World reacts to death of Iran's president Iranian president Ebrahim Raisi has died in a helicopter crash, state media reported Monday morning. NBC’s Drew Petrimoulx has the latest on this developing story. US & World Videos 2:08 Walz defends the importance of gun control 2:08 Vance and Walz clash on abortion 2:57 Vance says he was ‘wrong about Donald Trump' 2:29 Vance says Harris opened the ‘flood gates' for illegal immigration 2:22 Vance refers to climate crisis as ‘crazy weather patterns'