When Allah, Mighty and Exalted, exposed the factions [to be vanquished by the Muslims], the Prophet (SAWA) returned home to wash his head, when Gabriel came to him, saying, may Allah pardon you! You put down your weapons whilst the angels of the heavens have not! Come and join us at the fortress of Bani Qurayza.' So the Prophet (SAWA) called [his companions] and they joined them at the fortress.'