AHMAD-ZUHD 1689:
from al-Awzāʿī —
[Machine] Umar ibn Abdul Aziz cried so much that his tears became blood.
الزهد لأحمد ١٦٨٩:
عن الاوزاعي —
بَكَى عُمَرُ بْنُ عَبْدِ الْعَزِيزِ حَتَّى بَكَى الدَّمَ