Joe Biden has vowed that US commitment to defend Israel against Iran was “ironclad” as concerns rose in Washington that a “significant” Iranian strike could happen within days, in retaliation for the bombing of an Iranian consular building in Damascus.

“We also want to address the Iranian threat to launch a significant – they’re threatening to launch a significant attack in Israel,” Biden said. “As I told Prime Minister Netanyahu, our commitment to Israel’s security against these threats from Iran and its proxies is ironclad. Let me say it again, ironclad. We’re gonna do all we can to protect Israel’s security.”