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.
The United States and Iran have rarely agreed on how to proceed with nuclear talks or other elements of their bilateral relations. But synergies and similarities between two factions—Iranian hardliners and the hawks of the current US administration—are as counterintuitive as they are profound.
President Donald Trump is expected to announce soon that he will decertify the landmark international deal to curb Iran’s nuclear program, a senior administration official says, in a step that potentially could cause the 2015 accord to unravel.
Iran has dismissed a US demand for United Nations nuclear inspectors to visit its military bases as “merely a dream”.
During his presidential campaign, Donald Trump repeatedly declared that the Iran nuclear deal, known as “Joint Comprehensive Plan of Action” (JCPOA), was the worst agreement the US has ever signed, and his first priority as president would be to “tear up” the deal. JCPOA has limited Iran's nuclear programme in exchange for removal of all sanctions imposed by the West and the United Nations.
Carlos Queiroz was once Alex Ferguson's formidable number two at Manchester United, now he carves out a new reputation: the man who can take your team to the World Cup.
Hassan Rouhani has won re-election as Iran's president in a landslide, meaning that it is he who will be dealing with an antagonistic US President Donald Trump.
The head of the Iranian armed forces warns Islamabad that Tehran would hit bases inside Pakistan if the government does not confront Sunni militants who carry out cross-border attacks.
China hold heavyweights Iran to a gritty 0-0 draw to lift their hopes of reaching just their second World Cup in Asian qualifying.
The Bangladesh Under-16 girls team decimate group favourites Iran 3-0 in their Group C Qualifiers of the AFC U-16 Women's Championship.
An Iranian nuclear scientist detained since 2010 has been executed, his family has told the BBC.