وَعَنِ اِبْنِ عُمَرَ رَضِيَ اَللَّهُ عَنْهُمَا
قَالَ: قَالَ رَسُولُ اَللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ -«صَلَاةُ اَلْخَوْفِ رَكْعَةٌ عَلَى أَيِّ وَجْهٍ كَانَ»
The Messenger of Allah (sallallahu alayhi wa sallam) said: “The prayer in time of danger is one Rakah, in whatever manner it is (performed).”.