Reuters:

More than 1,000 soldiers deployed by Iran to Syria to back the government side in its civil war have been killed, an Iranian official said, underlining Tehran's increasing presence on front lines of the conflict.

"Now the number of Iran's martyrs as defenders of shrine has exceeded 1,000," Mohammadali Shahidi Mahallati, head of Iran's Foundation of Martyrs, which offers financial support to the relatives of those killed fighting for Iran, was quoted as saying by Tasnim news agency.