Musannaf Ibn Abi Shayba 3:3118

Ibn Numayr and Abu Mu’awiyah narrated to us, from al-A’mash, from ‘Abdullah ibn Murrah, from Masruq, who said: The Imam raised his hands on the pulpit on the day of Jumu’ah, so the people raised their hands. Masruq said: "May Allah cut off their hands."