Jundab bin 'Abdullah reported Allah's Messenger (ﷺ) as saying: He who prayed the morning prayer (in congregation) he is in fact under the protection of Allah. And it can never happen that Allah should demand anything from you in connection with the protection (that He guarantees) and one should not get it. He would then throw him in the fire of Hell.
Hadith Referenceصحيح مسلم / كتاب المساجد ومواضع الصلاة / 657
Anas bin Sirin reported: I heard Jundab bin Qasri saying that the Messenger of Allah (ﷺ) said: He who observed the morning prayer (in congregation), he is in fact under the protection of Allah and it never happens that Allah should make a demand in connection with the protection (that He guarantees and should not get it) for when he asks for anything in relation to His protection, he definitely secures it. He then throws him flatly in the Hell-fire.
Hadith Referenceصحيح مسلم / كتاب المساجد ومواضع الصلاة / 657
This hadith has been narrated by Jundab bin Sufyan in from the Apostle of Allah (ﷺ) with the same chain of transmitters, but this has not been mentioned: "He would throw him in fire."
Hadith Referenceصحيح مسلم / كتاب المساجد ومواضع الصلاة / 657
Hadith Commentary: Vocabulary of the Hadith: (1) Fī dhimmatillāh: He is in the protection and refuge of Allah, or under His guarantee and responsibility. (2) Man yaṭlubuhu min dhimmatihi bishay’in: If someone causes any harm to His protection and responsibility, or by causing distress to the one who has sought refuge, interferes in His protection. (3) Yudrikuhu: He will seize him; he will not be able to escape accountability.
Source: Tuhfat al-Muslim: Commentary on Sahih Muslim, Page: 1493
´Jundub bin Sufyan narrated that :` the Prophet said: "Whoever prays the Subh then he is under the protection of Allah's covenant, so do not be treacherous with Allah in his covenant."
Shaykh Dr. Abdur Rahman Freywai
1: That is: Make every effort to attain this protection of Allah, that is, strive to perform the Fajr prayer in congregation, so that this protection of Allah will not slip from your hands, in sha Allah.
Source: Sunan al-Tirmidhi – Majlis ‘Ilmi Dar al-Da‘wah, New Delhi Edition, Page: 222