The Israeli military said on Wednesday that all areas south of Lebanon's Zahrani River, which runs roughly 40 kilometers (25 miles) north of the Israel-Lebanon border, were considered "combat zones" and urged residents to head north.

The Israeli military said on Thursday it had begun new strikes on Hezbollah infrastructure around the southern Lebanese city of Tyre after issuing an evacuation warning to its residents.

The Israeli military said on Thursday that a soldier was killed the day before by a Hezbollah drone near the Lebanon border, taking to 24 the number of its troops killed in the war with the Iran-backed group.

U.S. President Donald Trump said Wednesday he was not yet satisfied with Iran's offers to make a deal, after Iranian state television reported details of what it claimed was a draft agreement.

U.S. President Donald Trump on Wednesday appeared to threaten to attack U.S. ally Oman if it sides with Iran over reopening the Strait of Hormuz.

Trump said Oman must "behave" or he would "blow them up," when he was asked if he would accept a short-term deal to allow Iran and the Gulf state to control the waterway.

The United States struck southern Iran on Thursday, drawing retaliation from Tehran against a U.S. military base, in the most serious clashes since an April ceasefire began.

Iran condemned on Thursday what it called violations by the United States after its strikes on the southern port city of Bandar Abbas, while vowing to defend its sovereignty.

Hezbollah said its fighters clashed with Israeli forces in a town north of the Litani river on Wednesday, a day after Israel's military said it was expanding its ground operations in the country's south.

Israeli strikes on southern Lebanon killed 31 people on Tuesday, the Lebanese health ministry said, as Israel said it was intensifying attacks despite a truce in its war with Hezbollah.

Iran's Revolutionary Guards on Wednesday said a return to war with the United States was unlikely, while warning that the Islamic republic stood ready against any attack.