Sunan Abi Dawud

Hammam said:Hudhaifah led the people in prayer in al-Mada’in standing on the shop(or a bench). Abu Mas’ud took him by his shirt, and brought him down. When he( Abu Mas’ud) finished his prayer, he said: Do you not know that they(the people) were prohibited to do so. He said: Yes, I remembered when you pulled me down