Ubaydullah bin Ka'b (may Allah have mercy on him) said: We set out from Madinah intending to go to the Messenger of Allah (peace and blessings be upon him), and the polytheist pilgrims of our people also set out with us - then the narrator went on to relate a similar account to the one given above.
Hadith Referenceالمعجم الكبير للطبراني / باب الكاف / 16225