Musnad Abu Ya'la al-Mawsili 165:8

Jabara narrated to us, Yahya bin al-Ala’ narrated to us, from Zayd bin Aslam, from Talha bin Ubaydullah al-Uqayli, from al-Husayn bin Ali, who said: The Messenger of Allah (peace be upon him) said: "Indeed, there is an hour in Friday; no one performs cupping (hijamah) during it except that he dies."