Sahih Muslim
The Book of Prayers (Kitab Al-Salat)
Book Number: 004 / Hadith Number: 1309
'Ali reported: When it was the day (of the Battle) of Ahzab, the Messenger of Allah (may peace be upon him) said: May Allah fill their graves and houses with fire, as they detained us and diverted us from the middle prayer, till the sun set.