احمد بن محمد بن خالد عن ابيه عن زرعة عن سماعة قال سألته عن الاسير يأسره المشركون فتحضره الصلاة فيمنعه الذي أسره منها قال يؤمي إيماءا
Ahmad ibn Muhammad ibn Khalid from his father from Zur’ah from Sama’ah who said: I asked Imam (a.s) about the prisoner who is taken captive by the polytheists, and the time of prayer comes, while the one who captured him prevents him from performing it. Imam (a.s) said: “He should gesture (perform the prayer) by gesturing (ima’a)”.