In a version by both of them al Bara.' said, "I swear by God that when the battle became fierce, we sought refuge with him, and the bravest of us was the one who kept shoulder to shoulder with him," meaning the Prophet.
Hadith Referenceمشكوة المصابيح / كتاب الفضائل والشمائل / 5890
Hadith Gradingالألبانی:مُتَّفق عَلَيْهِ | زبیر علی زئی:متفق عليه
Hadith Takhrij´تحقيق و تخريج: محدث العصر حافظ زبير على زئي رحمه الله` «متفق عليه، رواه البخاري (لم أجده) و مسلم (1776/79)»