Silsilat al-Ahadith al-Sahihah

The Messenger of Allah (peace and blessings be upon him) said: "Whoever believes in Allah and the Last Day cannot bear enmity towards the Ansar." This hadith is narrated from Sayyiduna Abu Sa'id, Sayyiduna Abu Hurairah, and Sayyiduna Abdullah bin Abbas (may Allah be pleased with them).