A series of loud explosions are heard in central Israel as the military says it carried out intelligence-based strikes in Tehran.

Several people were killed when Iran fired a barrage of projectiles at Israel in retaliation for Israel's surprise attack on its foe’s nuclear facilities and military leadership. Follow along for live updates,

Israel has conducted roughly 150 strikes on Iran over two days, while Iranian forces have fired roughly 200 ballistic missiles at Israeli territory in addition to scores of drones, according to an Israeli military official.

Anger is mixed with worry as Iranians in the capital of Tehran woke up Saturday to images of their country’s retaliatory attacks on Israel.

Israeli Prime Minister Benjamin Netanyahu vowed the operation “will continue for as many days as it takes,” while Iran has pledged to retaliate. Stavridis warned that despite

Iran has many scientists with nuclear expertise and has stored its most critical facilities in bunkers that may be beyond the reach of Israel's bombs.

The strikes are a sign of Israel’s shift away from restraint, containment and short wars, and toward using force to project power across the Middle East.