Jami` at-Tirmidhi 2030
جامع الترمذي#2030SahihIbn 'Umar narrated that Prophet said:"Oppression shall be darkness on the Day of Judgment
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih - Agreed Upon
In-book reference: 27:136