Sayyiduna Abu Ayyash al-Zurqi رضي الله عنه said: We were with the Messenger of Allah صلى الله عليه وسلم at the place of Usfan, and on the side of the polytheists was Khalid bin Walid. We performed the Zuhr prayer, so the polytheists said: We had an opportunity to attack them while they were heedless; if only we had attacked them when they were engaged in prayer. Then, between Zuhr and Asr, the verse of shortening (qasr) was revealed. When the time for Asr came, the Messenger of Allah صلى الله عليه وسلم stood facing the qiblah and the polytheists were in front of him. A row formed behind him, and another row behind that. The Messenger of Allah صلى الله عليه وسلم bowed (ruku‘) and all bowed, then he prostrated and the row closest to him prostrated, while the row behind them guarded them. When the first row had completed two prostrations and stood up, the row behind them prostrated. Then the first row moved to the back and the second row came forward to their place. Then the Messenger of Allah صلى الله عليه وسلم bowed and all bowed, then he prostrated and the row closest to him prostrated, while the row behind guarded them. When the Messenger of Allah صلى الله عليه وسلم and that row sat, the row behind them prostrated. Then all sat and the Messenger of Allah صلى الله عليه وسلم gave salam to everyone. Abu Ayyash رضي الله عنه said that the Prophet صلى الله عليه وسلم performed this prayer at Usfan and on the day of Banu Sulaym.