Silsilat al-Ahadith al-Sahihah

Sayyiduna Abdullah bin Abbas (may Allah be pleased with them) narrates that the Messenger (peace and blessings of Allah be upon him) said: "Twelve thousand men will emerge from Aden Abyan; they will support Allah and His Messenger (peace and blessings of Allah be upon him), and they will be the best among me and between their (generations)."