The retaliatory strikes came on Saturday, a day after Israel killed top Iranian military leaders and scientists and destroyed an aboveground nuclear enrichment plant near Natanz.

Iran has launched a second round of missiles against Israel as Israel’s military kept up attacks on Iran following earlier strikes that targeted nuclear and military sites

As the attacks escalate, with fatalities and injuries reported on both sides, Israel issued the stark warning to Iran.

As the head of the secretive Islamic Revolutionary Guard Corps (IRGC) Major General Hossein Salami, was one of the most powerful men in Iran, overseeing its most potent military arm and reporting directly to its Supreme Leader Ayatollah Ali Khamenei.

Israel's attack on Iran raises questions like whether the US will get involved, how Iran will respond, and if a wider conflict may be triggered.

Iran's strikes against Israel will continue, with targets set to expand to include U.S. bases in the region in the coming days, Iran's Fars news agency reported on Saturday, citing senior Iranian military officials.

Stocks are down on Friday, with oil prices surging in the wake of the Israel's military strike on Iran. The S&P 500 slid 48 points, or 0.5%, to 5,998 points in early trading, while the Dow Jones Industrial Average dropped 559 points,