Sayyiduna Abdullah bin Unays (may Allah be pleased with him) relates that one day he and Sayyiduna Umar bin al-Khattab (may Allah be pleased with him) were discussing charity, and Sayyiduna Umar (may Allah be pleased with him) said: Did you not hear the Messenger of Allah (peace and blessings be upon him) say concerning embezzlement from charity: "Whoever steals a camel or a sheep from it will be brought on the Day of Resurrection carrying it"? Sayyiduna Abdullah bin Unays (may Allah be pleased with him) said: Yes indeed (I heard it).
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 13949