Musannaf Ibn Abi Shaybah

Hazrat Qasim bin Abdur Rahman narrates from his father that once Walid bin Uqbah delayed the prayer in Kufa. I was sitting in the mosque with my father when Hazrat Abdullah stood up, announced the prayer, and led the people in prayer. Walid bin Uqbah sent a message and called him, and asked why he had done so. He said, "If you have received any order from the Commander of the Faithful, we will listen to it and act upon it, and if not, then today you have committed an innovation." Hazrat Abdullah replied, "I have not received any order from the Commander of the Faithful, and I seek Allah's refuge from committing an innovation. It is denied by Allah and His Messenger that we should keep waiting for you for prayer while you are busy with your own affairs."