Dick Cheney: Former US vice-president who helped lead 'war on terror'

Former US Vice-President Dick Cheney, who died at 84, played a crucial role in the "War on Terror" post-9/11 and was a strong proponent of the Iraq invasion. Cheney, known for his controversial career in American politics, served in various key positions including as Defense Secretary during the first Gulf War. Despite his early years marked by partying and legal avoidance of military service, Cheney left a significant impact on US policy and history, also becoming a critic of the Republican Party under President Trump in his later years.