The reports emerged as smoke was seen rising from Tel Aviv as Iran launched missiles at the city.
Air raid sirens had been heard across Tel Aviv and Jerusalem as the missiles neared Israel.
It comes as a reporter with the Iranian Tasnim news agency said missiles had been fired from Shiraz and Isfahan in Iran towards Israel.
The IRNA state news agency reported at least two Israeli jets had been shot down – with the fate of the pilots currently unknown.
The agency also said that the country’s response to Israel’s attacks on Friday had begun.
Israel launched a huge attack on Iran on Friday, which it says was aimed at degrading the country’s nuclear ambitions and weakening its military.
Israel was able to target key facilities and kill top generals and scientists.
It said the barrage was necessary before its adversary got any closer to building an atomic weapon.
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