Sahih al-Bukhari 4533
صحيح البخاري#4533SahihNarrated `Ali (through two chains):On the day of Al-Khandaq (the battle of the Trench). the Prophet (ﷺ) said, "They (i.e. pagans prevented us from offering the middle (the Best) Prayer till the sun had set. May Allah fill their graves, their houses (or their bodies) with fire
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 65:56