Musnad Ahmad 27:697

'Abd al-Malik ibn 'Amr narrated to us, 'Ali—meaning Ibn al-Mubarak—narrated to us, from Yahya ibn Abi Kathir, Abu Qilabah narrated to me, Salim ibn 'Abd Allah narrated to me, 'Abd Allah ibn 'Umar narrated to me, he said: The Messenger of Allah (may Allah bless him and grant him peace) said to us: "A fire will emerge before the Day of Resurrection from the sea of Hadramawt, or from Hadramawt, that will gather the people." They said: "What do you command us to do, O Messenger of Allah?" He said: "You must go to Ash-Sham."