Israel on Saturday threatened to strike "every target of the ayatollah regime" in Iran, whose president warned of a severe response if the Israeli attacks continue, fuelling fears of an escalating conflict.

Tehran said American bases in the Middle East could face reprisals if the U.S. helped repel Iranian attacks on Israel.

Iran's top diplomat Abbas Araghchi said Saturday that Israel's strikes on his country were undermining nuclear talks with the United States. Araghchi, in a call with Russia's Foreign Minister Sergei Lavrov,

The United States is the main international backer of Israel, Iran's biggest regional foe. It is also a close ally of Sunni Gulf monarchies which for years pursued their own rivalry with the Islamic Republic, seeing it as their main regional threat.

Follow the latest news after Israel launched strikes at Iran, a dramatic escalation in long-running tensions between the two countries.

The United States has pulled some diplomatic staff and military families out of the Middle East, citing unspecified regional security risks.

G7 will also be a platform for Canadian PM Carney to showcase his leadership at a time of economic, geopolitical shifts.

National security experts warn that Israel's attack on Iran shows why Chinese land and asset purchases in the U.S. pose a significant threat to American security.