It was narrated that Abu Hurairah said:"Umar came in when the Ethiopians were playing in the masjid. Umar, may Allah (SWT) be pleased with him, rebuked them, but the Messenger of Allah (ﷺ) said: 'Let them be there, O Umar, for they are Banu Arfidah

English translation · Sunan an-Nasa'i