Ubaydullah bin al-Nadr narrates from his father, who said: Darkness fell in the time of Sayyiduna Anas bin Malik (may Allah be pleased with him). I came to Sayyiduna Anas bin Malik (may Allah be pleased with him) and said: "O Abu Hamzah! Did you people face anything like this in the time of the Messenger of Allah (peace and blessings be upon him)?" He said: "Refuge is with Allah! If ever the wind blew strongly, we would rush to the mosque for fear of the Resurrection." This hadith has a sahih (authentic) chain, but the two Shaykhs did not record it. This Ubaydullah is the son of al-Nadr bin Anas bin Malik, and the two Shaykhs used al-Nadr as evidence.