Biden was asked on Wednesday whether he would support strikes against Iranian nuclear sites and the US president told reporters: "The answer is no."
Ayatollah Ali Khamenei's address in Tehran followed Iran's second-ever direct attack on Israel. It was also the first since exchanges of fire between Tehran-backed Hezbollah fighters and Israeli troops escalated into full-blown war in Lebanon.
Biden added that the Israelis "have not concluded how they're, what they're going to do" in retaliation for a huge ballistic missile attack by Iran on Israel on Tuesday.
As Israel weighs its options after its arch-foe Iran launched its largest ever assault on Tuesday, Biden was asked whether he would support Israel striking Iran's oil facilities.
All sides are aware that any retaliatory strike against Iran's nuclear or oil installations would send the Middle East spiralling even more towards chaos, but Israel seems not to have made a decision yet.
"Our action is concluded unless the Israeli regime decides to invite further retaliation," Iranian foreign minister said in a post on X early on Wednesday.
Iran rejected accusations that it is trying to kill Trump earlier this summer, shortly after a gunman opened fire at a rally in Pennsylvania, killing one person and wounding the presidential candidate.
One of the security officials said a large-scale operation is underway by the IRGC to inspect all devices, not just communication equipment. He said most of these devices were either homemade or imported from China and Russia.
Nasrallah and Hezbollah have thrived with an image of invincibility after confronting Israel in 2006.
Iran’s Revolutionary Guard says it shot down a US drone amid heightened tensions between Tehran and Washington over its collapsing nuclear deal. The US military declined to immediately comment.
A Boeing 707 military cargo plane crashes in bad weather west of the Iranian capital, killing 15 out of the 16 people on board.
A 6.3 magnitude earthquake on Iran's western border with Iraq injured more than 600 people, most suffering minor wounds, state television has said. No fatalities have been reported.
North Korea and Iran will dominate this week's gathering of world leaders at the United Nations, where President Donald Trump will be firmly in the spotlight as he continues to upend global diplomacy.
Iran resumes talks with Russia to build a new nuclear power plant capable of generating up to 3,000 megawatts of electricity, energy minister Reza Ardakanian says, according to the Tasnim news agency.
Air France and British Airways announce to halt flights to Tehran citing low profitability.
Iranian lawmakers have given President Hassan Rouhani one month to appear before parliament to answer questions on his government's handling of Iran's economic struggles, state media reported yesterday.
Iran waved away US President Donald Trump's claims that talks with the country's leaders were imminent, saying "threats, sanctions and PR stunts won't work". With Washington pulling out of the landmark 2015 nuclear deal and set to reimpose full sanctions on Iran from August 6, Tehran has responded coolly to Trump's offer on Monday to talk "any time" without preconditions.
Overnight threats by President Donald Trump against Iran amount to "psychological warfare", and Tehran will continue to resist its enemies, a senior commander of Iran's elite Revolutionary Guards was quoted as saying.
Iran has lodged a complaint with the International Court of Justice against the United States' reimposition of sanctions, the foreign ministry said yesterday.