"Khamenei's position is surely weakened," Arash Azizi, who unveiled an alleged plot against the supreme leader, told Newsweek.

Iran said that Israel's strike on Tehran's Evin prison killed at least 71 people, including staff, soldiers, prisoners and members of visiting families.

Dozens of staff members, two inmates and a bystander were among the casualties of Israel’s attack on Tehran’s Evin prison last week

At least 71 people were killed in Israel’s attack on Tehran’s Evin prison, a notorious facility where many political prisoners and dissidents have been held, Iran’s judiciary said on Sunday.