While the Abyssinians were playing with their spears in the presence of the Prophet ﷺ, Umar entered, reached for some pebbles, and threw them at them.The Prophet said, "Leave them alone, Umar."Ali added in his narration, Abdul-Razzaq told us, Muamar informed us, that this took place in the mosque.
حدثنا إبراهيم بن موسى أخبرنا هشام عن معمر عن الزهري عن ابن المسيب
بينا الحبشة يلعبون عند النبي ﷺ بحرابهم دخل عمر فأهوى إلى الحصى فحصبهم بها فقال دعهم يا عمر وزاد علي حدثنا عبد الرزاق أخبرنا معمر في المسجد