Iran warned Israel on Tuesday against any attacks on the country, a week after Tehran fired a barrage of missiles on it, putting the Middle East on edge.
Any attack on Iran's infrastructure will be met with retaliation, Foreign Minister Abbas Araqchi said, warning Israel against attacks on his country.
Tension between arch-foes Iran and Israel is running high after years of shadow war and assassinations have turned into direct confrontations that have put the region on edge.
Israel has been weighing options to respond to Tehran's ballistic missile attack last week, carried out in response to Israel's military action in Lebanon.
US news website Axios cited Israeli officials as saying Iran's oil facilities could be hit, which would be a serious escalation that could drive up global oil prices.
On Friday, President Joe Biden said he would think about alternatives to striking Iranian oilfields if he were in Israel's shoes, adding he thought it had not yet concluded how to respond to Iran.