Abdallah Makki Muslih al-Rifai, also known as Abu Khadijah, was considered one of the 'most dangerous terrorists in the world', according to Iraqi prime minister Mohammed Shia al-Sudani.
Lieutenant-Commander Charles Henry Cowley took part in a suicidal mission to reinforce the besieged Kut garrison in Mesopotamia, now Iraq , in the First Word War.
Sir Keir used Prime Minister's Questions to mark the anniversaries this week of two incidents in Afghanistan 13 and 18 years ago in which UK troops were killed.
Military veterans and MPs from across the House of Commons led a furious backlash against Mr Vance's 'shameful' comments and called on him to apologise.