Multiple explosions were heard over several hours in Tehran and at nearby military bases
Iran and Iraq have resumed flights on Saturday, after a brief suspension due to Israeli strikes against Iranian military targets.
Iran said its air defence system successfully countered Israel's attacks on military targets in the provinces of Tehran, Khuzestan and Ilam with "limited damage" to some locations.
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The Middle East has been on edge awaiting Israel's retaliation for a ballistic-missile barrage carried out by Iran on October 1, in which around 200 missiles were fired at Israel and one person was killed in the West Bank.
Fears that Iran and the US would be drawn into a regional war have risen with Israel's intensifying assault on Hezbollah since last month, including airstrikes on the Lebanese capital Beirut and a ground operation, as well as its year-old conflict in the Gaza Strip.
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