Volume 4, Book 52, Number 182:
Narrated ‘Ali:
When it was the day of the battle of Al-Ahzab (i.e. the clans), Allah’s Apostle said, “O Allah! Fill
their (i.e. the infidels’) houses and graves with fire as they busied us so much that we did not perform
the prayer (i.e. ‘Asr) till the sun set.”