(9) باب فِي الْخُلَفَاءِ
Makhul said:
The Romans will enter Syria and stay there for forty days, and no place will be saved from them but Damascus and 'Uman. (RU)
Reference (RU): Sunan Abi Dawud 4638 (RU)
In-book reference (RU): Book 42, Hadith 43 (RU)
English translation (RU): Book 41, Hadith 4621 (RU)