It is narrated from Hazrat Abdullah bin Hawalah (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) said: Whoever is saved from three things is indeed saved—he said this three times: my death, the Dajjal, and the killing of a steadfast caliph upon the truth.
Hadith Referenceمسند احمد / أول مسند البصريين / 20355
Hadith Gradingحکم دارالسلام:حديث حسن، ليس هذا الحديث بمصر من حديث يحيى بن أيوب لكنه