One day the Messenger of Allah ﷺ went out and prayed over the martyrs of Uhud like his prayer over the dead, and then returned.
أَنَّ رَسُولَ اللَّهِ ﷺ خَرَجَ يَوْمًا فَصَلَّى عَلَى أَهْلِ أُحُدٍ صَلاَتَهُ عَلَى الْمَيِّتِ ثُمَّ انْصَرَفَ
the Messenger of Allah went out one day and offered the funeral prayer for the people f Uhd, then he went to the Minbar and said: "I am your predecessor and I am a witness over your."
أَنَّ رَسُولَ اللَّهِ ﷺ خَرَجَ يَوْمًا فَصَلَّى عَلَى أَهْلِ أُحُدٍ صَلاَتَهُ عَلَى الْمَيِّتِ ثُمَّ انْصَرَفَ إِلَى الْمِنْبَرِ فَقَالَ إِنِّي فَرَطٌ لَكُمْ وَأَنَا شَهِيدٌ عَلَيْكُمْ
the Messenger of Allah went out one day and offered the funeral prayer for the people f Uhd, then he went to the Minbar and said: "I am your predecessor and I am a witness over your." (Using translation from Nasāʾī 1954)
أَنَّ رَسُولَ اللهِ ﷺ خَرَجَ يَوْمًا فَصَلَّى عَلَى أَهْلِ أُحُدٍ صَلَاتَهُ عَلَى الْمَيِّتِ ثُمَّ انْصَرَفَ إِلَى الْمِنْبَرِ فَقَالَ «إِنِّي فَرَطٌ لَكُمْ وَأَنَا شَهِيدٌ عَلَيْكُمْ»