Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
abudawud:1239al-Qaʿnabī > Mālik > Yaḥyá b. Saʿīd > al-Qāsim b. Muḥammad > Ṣāliḥ b. Khawwāt al-Anṣārī > Sahl b. Abū Ḥathmah al-Anṣārī > Ṣalāh al-Khawf

The prayer time of danger should be offered in the following way: The imam should stand (for prayer) and a section of the people should stand along with him. The other section should stand facing the enemy. The imam should perform bowing and prostrate himself along with those who are with him. He then should stand (after prostration) and, when he stands straight, he should remain standing. They (the people) should (in the meantime) complete their remaining rak'ah (i.e. the second one). They they should utter the salutation, and turn away while the imam should remain standing. They should go before the enemy. Thereafter those who did not pray should come forward and utter the takbir (Allah is most great) behind imam. He should bow and prostrate along with them and utter the salutation. Then they should stand and completed their remaining rak'ah, and utter the salutation. Abu Dawud said: The tradition reported by Yahya b. Sa'id from al-Qasim is similar to the one transmitted by Yazid b. Ruman except that he differed with him in salutation. The tradition reported by 'Ubaid Allah is like the one reported by Yahya b. Sa'id, saying: He (the Prophet) remained standing.  

أبو داود:١٢٣٩حَدَّثَنَا الْقَعْنَبِيُّ عَنْ مَالِكٍ عَنْ يَحْيَى بْنِ سَعِيدٍ عَنِ الْقَاسِمِ بْنِ مُحَمَّدٍ عَنْ صَالِحِ بْنِ خَوَّاتٍ الأَنْصَارِيِّ أَنَّ سَهْلَ بْنَ أَبِي حَثْمَةَ الأَنْصَارِيَّ حَدَّثَهُ أَنَّ صَلاَةَ الْخَوْفِ

أَنْ يَقُومَ الإِمَامُ وَطَائِفَةٌ مِنْ أَصْحَابِهِ وَطَائِفَةٌ مُوَاجِهَةَ الْعَدُوِّ فَيَرْكَعُ الإِمَامُ رَكْعَةً وَيَسْجُدُ بِالَّذِينَ مَعَهُ ثُمَّ يَقُومُ فَإِذَا اسْتَوَى قَائِمًا ثَبَتَ قَائِمًا وَأَتَمُّوا لأَنْفُسِهِمُ الرَّكْعَةَ الْبَاقِيَةَ ثُمَّ سَلَّمُوا وَانْصَرَفُوا وَالإِمَامُ قَائِمٌ فَكَانُوا وِجَاهَ الْعَدُوِّ ثُمَّ يُقْبِلُ الآخَرُونَ الَّذِينَ لَمْ يُصَلُّوا فَيُكَبِّرُونَ وَرَاءَ الإِمَامِ فَيَرْكَعُ بِهِمْ وَيَسْجُدُ بِهِمْ ثُمَّ يُسَلِّمُ فَيَقُومُونَ فَيَرْكَعُونَ لأَنْفُسِهِمُ الرَّكْعَةَ الْبَاقِيَةَ ثُمَّ يُسَلِّمُونَ  

قَالَ أَبُو دَاوُدَ وَأَمَّا رِوَايَةُ يَحْيَى بْنِ سَعِيدٍ عَنِ الْقَاسِمِ نَحْوُ رِوَايَةِ يَزِيدَ بْنِ رُومَانَ إِلاَّ أَنَّهُ خَالَفَهُ فِي السَّلاَمِ وَرِوَايَةُ عُبَيْدِ اللَّهِ نَحْوُ رِوَايَةِ يَحْيَى بْنِ سَعِيدٍ قَالَ وَيَثْبُتُ قَائِمًا

See similar narrations below:

Collected by Mālik
malik:11-2Mālik > Yaḥyá b. Saʿīd > al-Qāsim b. Muḥammad > Ṣāliḥ b. Khawwāt > Sahl b. Abū Ḥathmah > Ṣalāh al-Khawf

Yahya related to me from Malik from Yahya ibn Said from al-Qasim ibn Muhammad from Salih ibn Khawwat that Sahl ibn Abi Hathma related to him that the form of the prayer of fear was that the imam stood with a group of his companions, while another group faced the enemy. The imam prayed one raka with them, including the prostration, and then stood. He remained standing while they completed the remaining raka by themselves. They then said the taslim, left, and formed up opposite the enemy while the imam remained standing. Then the others who had not prayed came forward and said the takbir behind the imam and he prayed one raka with them, including the prostration. He then said the taslim, while they stood up and prayed the remaining raka by themselves. Then they said the taslim.  

مالك:١١-٢وَحَدَّثَنِي عَنْ مَالِكٍ عَنْ يَحْيَى بْنِ سَعِيدٍ عَنِ الْقَاسِمِ بْنِ مُحَمَّدٍ عَنْ صَالِحِ بْنِ خَوَّاتٍ أَنَّ سَهْلَ بْنَ أَبِي حَثْمَةَ حَدَّثَهُ أَنَّ صَلاَةَ الْخَوْفِ

أَنْ يَقُومَ الإِمَامُ وَمَعَهُ طَائِفَةٌ مِنْ أَصْحَابِهِ وَطَائِفَةٌ مُوَاجِهَةٌ الْعَدُوَّ فَيَرْكَعُ الإِمَامُ رَكْعَةً وَيَسْجُدُ بِالَّذِينَ مَعَهُ ثُمَّ يَقُومُ فَإِذَا اسْتَوَى قَائِمًا ثَبَتَ وَأَتَمُّوا لأَنْفُسِهِمُ الرَّكْعَةَ الْبَاقِيَةَ ثُمَّ يُسَلِّمُونَ وَيَنْصَرِفُونَ وَالإِمَامُ قَائِمٌ فَيَكُونُونَ وِجَاهَ الْعَدُوِّ ثُمَّ يُقْبِلُ الآخَرُونَ الَّذِينَ لَمْ يُصَلُّوا فَيُكَبِّرُونَ وَرَاءَ الإِمَامِ فَيَرْكَعُ بِهِمُ الرَّكْعَةَ وَيَسْجُدُ ثُمَّ يُسَلِّمُ فَيَقُومُونَ فَيَرْكَعُونَ لأَنْفُسِهِمُ الرَّكْعَةَ الْبَاقِيَةَ ثُمَّ يُسَلِّمُونَ