The subsequent campaign against Phocas was portrayed by Byzantine historians as avenging the death of Maurice , which might have been part of the motivation of this revolt .
In 608 , the Exarchate of Africa under Heraclius the Elder revolted against Emperor Phocas .
The subsequent campaign against Emperor was portrayed by Byzantine historians as avenging the death of Maurice , which might have been part of the motivation of this revolt .
In 608 , the Exarchate of Africa under Heraclius the Elder revolted against Emperor Phocas .