Sayyiduna Harithah bin Wahb (may Allah be pleased with him) said: "I prayed with the Messenger of Allah (peace and blessings be upon him); he (peace and blessings be upon him) led us in two rak'ahs at Mina when we were at our greatest number."
Hadith Referenceالمعجم الكبير للطبراني / باب الحاء / 3232