The arrests have raised fears that a new wave of repression is coming, as the government seeks to root out spy networks and clamp down on any dissent.

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

It’s been a week since the U.S. pressed Israel and Iran into a truce, ending a bloody 12-day conflict that had set the Middle East and the world on edge.

As the fragile ceasefire between Israel and Iran nears one week, there’s little clarity on what comes next in U.S.-Iran relations and whether Iran remains a near-term nuclear threat. President Trump and Iran’s leaders have sent mixed signals on resuming nuclear talks,