Narrated Abu Sa'îd Al-Khudrî that one day he preached and then mentioned about the construction of mosque and said, "We were carrying one adobe at a time while Ammar was carrying two. The Prophet (ﷺ) saw him and started removing the dust from his body and said, May Allâh be Merciful to ' Ammâr, a rebellious group will kill him. He will be inviting them (his murderers, the rebellious group) to Paradise and they will invite him to Hell-fire." Ammâr said, "I seek refuge with Allâh from Al-Fitan (trials and afflictions etc.). [1:438-O.B.]