Sunnah.com reference : Book 2, Hadith 132English translation : Book 2, Hadith 258Arabic reference : Book 2, Hadith 260
Narrated ['Aishah (RA)]:
I saw Allah's Messenger (ﷺ) at the door of my house screening me while I watched some Abyssinians (Ethiopians) who were playing in the mosque... (the narration).

[Agreed upon].
وَعَنْهَا قَالَتْ : { رَأَيْتُ رَسُولَ اَللَّهِ ‏- صلى الله عليه وسلم ‏-يَسْتُرُنِي , وَأَنَا أَنْظُرُ إِلَى اَلْحَبَشَةِ يَلْعَبُونَ فِي اَلْمَسْجِدِ .‏ .‏ .‏ }  اَلْحَدِيثَ .‏ مُتَّفَقٌ عَلَيْهِ .‏  1‏‏1 ‏- صحيح .‏ رواه البخاري (454)‏ ، ومسلم (892)‏ .‏