Muhammad bin 'Abdul A'la محمد بن عبد الأعلى · The Book of the Fear Prayer

"We were with the Messenger of Allah (ﷺ) and the Iqamah for prayer was said. The Messenger of Allah (ﷺ) stood up and one group stood behind him while another group faced the enemy. He led those who were behind him in prayer, bowing once and prostrating twice. Then they went and took the place of those who had been facing the enemy, and that group came and the Messenger of Allah (ﷺ) led them in prayer, bowing once and…