Musnad Ahmad 30:792

Yazid narrated to us, Ibn Abi Dhi’b informed us, from Sa’id ibn Sam’an, who said: I heard Abu Hurairah informing Abu Qatadah that the Messenger of Allah (peace and blessings of Allah be upon him) said: "A man will be given the pledge of allegiance between the Corner (al-Rukn) and the Station (al-Maqam). The House (the Ka'bah) will not be violated except by its own people. When they violate it, do not ask about the destruction of the Arabs. Then the Abyssinians will come and destroy it with a destruction after which it will never be inhabited again, and they are the ones who will extract its treasure."