Muhammad also ordered another siege on the Banu Qurayza during the Invasion of Banu Qurayza, because according to Muslim tradition he had been ordered to do so by the angel <answer>Gabriel</answer>. Al-Waqidi claims Muhammad had a treaty with the tribe which was torn apart. Stillman and Watt deny the authenticity of al-Waqidi. Al-Waqidi has been frequently criticized by Muslim writers, who claim that he is unreliable. 600-900 members of the Banu Qurayza were beheaded after they surrendered (according to Tabari and Ibn Hisham). Another source says all Males and 1 woman beheaded (according to Sunni Hadith). Two Muslims were killed
What angel, according to Muslim tradition, ordered Muhammad to order a siege on the Banu Qurayza?
Gabriel