(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. (ES)
Reference (ES): Sunan Abi Dawud 4638 (ES)
In-book reference (ES): Book 42, Hadith 43 (ES)
English translation (ES): Book 41, Hadith 4621 (ES)