It is narrated from Sayyidah Aishah (may Allah be pleased with her), who said: The Prophet (peace and blessings be upon him) placed my chin on his shoulder so that I could watch the spear play of the Abyssinians, until I was the one who turned away from them (and left).
Hadith Referenceالمعجم الكبير للطبراني / مسند النساء / 19588