Millions of people in Israel and Iran are bracing for an escalation in fighting between the two countries after Israel launched a wave of strikes overnight.

Israel’s military said it had hit multiple nuclear sites, and killed top Iranian commanders.

Local media reported a number of drones launched by Iran in response were successfully intercepted.

In a recorded statement, Israel’s Prime Minister Benjamin Netanyahu vowed to destroy Iran’s nuclear capability, which he said posed a “clear and present danger” to his country’s survival.

Meanwhile, Iranian President Masoud Pezeshkian said Tehran’s response to Israeli attacks would be “legitimate and powerful”.

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