Iran has arrested dozens of people on suspicion of spying as fears grow in the Islamic Republic over the extent of its infiltration by Israel’s Mossad intelligence service.

Long before Israel launched its attacks against Iran on Friday, agents from Israel’s Mossad spy agency smuggled explosive drones and other guided weapons into Iran. As the attack got under way, Mossad

Iranian security forces have arrested four Mossad-linked agents in separate raids across Tehran and neighboring provinces, seizing large amounts of explosives and drone equipment. The arrests come amid rising tensions following Israel's recent attacks on Iran.

Israel’s historic strike on Iran revealed years of Mossad activity inside the country, including hidden weapons, drones and assassinations of nuclear officials.

Israeli spies infiltrated the heart of Iran before Friday morning’s Operation “Rising Lion” airstrikes and damaged the country’s missile infrastructure and air defenses in

This comes after the Islamic Republic arrested two alleged Mossad operatives with over 23 UAVS and 200 kg of explosives.

Two more agents of the Israeli Mossad intelligence service were detained near the Iranian capital, Iranian police spokesman Said Montazer al-Mahdi said.

Iran claims to have revealed a drone-manufacturing site used by Israeli agents in Tehran, local and state media reported on Monday. Tasnim news agency said security forces found over 200 kilograms (440 pounds) of explosives in a three-story building that was used by “Israeli agents to assemble and store UAVs.”

Israel attacked Iran's three main nuclear sites: Natanz, Isfahan, and Fordow. The Islamic Revolutionary Guard Corps (IRGC) claimed that during the recent wave of missile attacks in Israel, they succeeded in using a 'new method' to force Israel's air defense system to attack each other.

Israel's attack on Iran had been years in the planning with covert Mossad agents working inside the Islamic Republic to hit nuclear targets and assassinate the country's leading military figures