Sunan Abi Dawud 4250
سنن أبي داود#4250SahihAbu 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
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Zubair Ali ZaiHasan
In-book reference: 37:11