Iran denied on Thursday attacking a South Korean cargo ship in the Strait of Hormuz this week, as U.S. President Donald Trump said a deal to end the war was "very possible" but warned Washington would resume bombing if talks failed.

Tehran's embassy in Seoul said it "firmly rejects and categorically denies" allegations that its armed forces were behind a blast aboard the Panama-flagged HMM Namu, which caught fire on Monday while transiting the strategic waterway with 24 crew members on board.

U.S. President Donald Trump said Wednesday that a deal with Iran to end the Middle East war was "very possible" following "very good talks" over the past day.

"We've had very good talks over the last 24 hours, and it's very possible that we'll make a deal," Trump told reporters in the Oval Office.

A plane believed to be carrying a passenger from a cruise ship struck by the deadly hantavirus landed in the Netherlands on Wednesday after patients were evacuated from the vessel off Cape Verde.

Israeli Prime Minister Benjamin Netanyahu said the military struck Beirut's southern suburbs on Wednesday, targeting a top Hezbollah commander.

"The Israeli army has struck in Beirut to target the commander of Hezbollah's Radwan force, in an attempt to neutralize him," a joint statement issued by Netanyahu and Defense Minister Israel Katz said.

An Israeli strike in Lebanon's West Bekaa killed four people on Wednesday, while the Israeli army said it struck Hezbollah targets in the south, after warning residents of a dozen towns to evacuate.

Israel and Hezbollah have been trading accusations of violating the ceasefire agreement in force since April 17. Hezbollah has claimed responsibility for several operations targeting Israeli forces in southern Lebanon, as well as attacks on northern Israel.

U.S. President Donald Trump expressed optimism about striking a deal with Iran, which could include Iran exporting its highly enriched uranium to the United States, in a phone call Wednesday with PBS News.

Trump said he feels the U.S. is closing in on a deal, "but I felt that way before with them, so we'll see what happens."

Iran foreign ministry spokesman Esmaeil Baqaei said Wednesday that a U.S. proposal to end the war is still "under review" by Tehran, local media reported.

Israel's army chief Lieutenant General Eyal Zamir visited troops in southern Lebanon on Wednesday, vowing to dismantle Hezbollah and saying the military was prepared to launch a new offensive against Iran if needed.

A Lebanese court on Wednesday acquitted singer Fadel Shaker of the attempted murder of an official from a Hezbollah-allied group, a judicial official told AFP, after the star surrendered to police.

President Volodymyr Zelensky said Wednesday that Russia had decided to reject efforts to halt fighting and save lives by launching fresh attacks on Ukraine, which had called a unilateral ceasefire.