مسند أحمد

It was narrated from Hudain bin al-Mundhir bin al-Harith bin Wa’lah that al-Waleed bin `Uqbah led the people in Fajr prayer and he prayed four rak`ahs, Then he turned to them and said: Shall I give you more?! The matter was referred to ‘Uthman (رضي الله عنه) , who ordered that he be flogged. ‘Ali said to al-Hasan bin ‘Ali Get up, O Hasan, and flog him. He said: What does that have to do with you? ‘Ali (رضي الله عنه) said: Rather you are incapable and weak; get up, O Abdullah bin Jafar and flog him. So ‘Abdullah bin Ja`far got up and flogged him, and `Ali kept count. When he reached forty, he said to him; Stop. Then he said: The Messenger of Allah (ﷺ) gave forty lashes for drinking alcohol, Abu Bakr gave forty lashes, as did ʼUmar at the beginning of his caliphate, Then `Umar completed it, making it eighty. And all of it is Sunnah.