' Fear Prayer ' of Sahih Bukhari.

64
Narrated Shu'aib: I asked Az-Zuhri, "Did the Prophet ever offer the
Fear Prayer?" Az-Zuhri said, "I was told by Salim that 'Abdullah bin
Umar I had said, 'I took part in a holy battle with Allah's Apostle I
in Najd. We faced the enemy and arranged ourselves in rows. Then
Allah's Apostle(p.b.u.h) stood up to leadthe prayer and one party
stood to pray with him while the other faced theenemy. Allah's Apostle
(p.b.u.h) and the former party bowed and performed two prostrations.
Then that party left and took the place of those who had not prayed.
Allah's Apostle prayed one Raka (with the latter) and performed two
prostrations and finishedhis prayer with Taslim. Then everyone of them
bowed once and performed two prostrations individually.'"
65
Narrated Nafi': Ibn Umar said something similar to Mujahid's saying:
Whenever (Muslims and non-Muslims) stand face to face in battle, the
Muslims can pray while standing. Ibn Umar added, "The Prophet said,
'If the number of the enemy is greater than the Muslims, they can pray
while standing or riding (individually).' "
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Narrated Ibn Abbas: Once the Prophet (p.b.u.h) led the fear prayer and
the people stood behind him. He said Takbir (Allahu-Akbar) and the
people said the same. He bowed and some of them bowed. Then he
prostrated and they also prostrated. Then he stood for the second Raka
and those who had prayed the first Raka left and guarded their
brothers. The second party joined him and performed bowing and
prostration with him. All the people were in prayer but they were
guarding one another during the prayer.
67
Narrated Jabir bin 'Abdullah: On the day of the Khandaq Umar came,
cursing the disbelievers of Quraish and said, "O Allah's Apostle! I
have notoffered the 'Asr prayer and the sun has set." The Prophet
replied, "By Allah! I too, have not offered the prayer yet."The
Prophet then went to Buthan, performed ablution and performed the 'Asr
prayer after the sun had set and then offered the Maghrib prayer after
it."
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Narrated Anas bin Malik: Allah's Apostle (p.b.u.h) offered the Fajr
prayer when it was still dark, then he rode and said, 'Allah Akbar!
Khaibar is ruined. When we approach near to a nation, the most
unfortunate is the morning of those who have been warned." The people
came out into thestreets saying,"Muhammad and his army." Allah's
Apostle vanquished them by force and their warriors were killed; the
children and women were taken as captives. Safiya was taken by Dihya
Al-Kalbi and later she belonged to Allah's Apostle go who married her
and her Mahr was her manumission.