It is narrated from Hazrat Abdullah bin Thalabah (may Allah be pleased with him) that the Noble Prophet (peace and blessings be upon him) came to the martyrs of Uhud and said: I bear witness regarding them. Shroud them in their wounds and blood.
Hadith Referenceمسند احمد / مسند الأنصار رضي الله عنهم / 23659