Iranian security forces started a campaign of widespread arrests accompanied by an intensified street presence based around checkpoints
The move follows an air war with Israel in which Iran's longtime enemy said it wanted to prevent Tehran developing a nuclear weapon.
A survey released last week said 83% of Jewish Israelis supported the assault on Iran and pollsters said they expected Netanyahu's Likud party,
"We have achieved a historic victory," Netanyahu said in a televised address to the nation after the start of a ceasefire agreed to by both countries.
Trump said over the weekend that the US deployment of 30,000-pound bombs had "obliterated" Iran's nuclear program.
But whether the current course of events will follow the course of 2020, cannot be said with certainty.
"Plans for restarting (the facilities) have been prepared in advance, and our strategy is to ensure that production and services are not disrupted," said the head of the Atomic Energy Organization of Iran
Witnesses said they heard explosions near Tel Aviv and Beersheba in southern Israel before Trump's statement.
Even if their attacks cause severe damage to Iran’s nuclear facilities, this will only harden Iran’s resolve to acquire a bomb.
Strikes by Israel and Iran continue as the conflict between the two countries intensifies
The Guards said in a statement quoted by the official IRNA news agency
While the threat of Israeli airstrikes has loomed for decades, only some of the sites have been built underground.
Israeli media reported that three people were killed in the country's centre while dozens more were wounded in the overnight strikes.
Netanyahu is now talking about turning Iran into Beirut. The Beirut strategy.
Here are real-time updates on Israel-Iran conflict
The intensifying Iran-Israel conflict has created ripples across the globe, affecting economies far removed from the battle zones.
Many of the sites struck by Iranian missiles appear to be inside Israeli cities
Missile strikes on Friday night and Saturday have killed at least ten Israeli civilians and injured more than 200 people
How long can Iran's arsenal of reportedly 2,000 ballistic missiles last?