The Messenger of Allah ﷺ said, "The Kaabah will be destroyed by a man with two thin legs from Abyssinia."
أخبرنا قتيبة قال حدثنا سفيان عن زياد بن سعد عن الزهري عن سعيد بن المسيب
قال رسول الله ﷺ يخرب الكعبة ذو السويقتين من الحبشة
Sourced from Bukhari, Hajj, chapter on the saying of Allah Most High, "Allah has made the Kaaba, the Sacred House..." etc., hadith 1591, and Muslim, Fitan, chapter "The Hour will not come until a man passes by the grave of another man" etc., hadith 2909, both from the hadith of Sufyan bin Uyayna through this same chain, and it is also in Al-Kubra, hadith 3887.