(1) باب ذِكْرِ الْفِتَنِ وَدَلاَئِلِهَا
Abu Dawud said:
Ibn 'Umar reported the Messenger of Allah (ﷺ) as saying: The Muslims will soon be besieged up to Medina, so that their most distant frontier outpost will be Salah.
Reference: Sunan Abi Dawud 4250
In-book reference: Book 37, Hadith 11
English translation: Book 36, Hadith 4237