وَلِمُسْلِمٍ مِنْ حَدِيثِ أَبِي مُوسَى: { فَأَقَامَ اَلْفَجْرَ حِينَ اِنْشَقَّ اَلْفَجْرُ, وَالنَّاسُ لَا يَكَادُ يَعْرِفُ بَعْضُهُمْ بَعْضًا }

Narrated Abu Musa (RA) in another version of Muslim

He (ﷺ) offered the Fajr prayer at daybreak when the people could hardly recognize one another.