Iran threatens 'nightmare' for Israel as UN watchdog warns Tehran nuclear programs runs unchecked

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Iran on Monday continued its threat of a "nightmare" attack on Israel following the killing of Hamas leader Ismail Haniyeh in late July, as international concerns remain high over Tehran’s nuclear development program which has run unchecked for more than three years.

Commander of Iran’s Islamic Revolutionary Guard Corps Hossein Salami said "the nightmare of Iran's inevitable response is shaking Israel day and night," reported the Jerusalem Post, citing Saudi-owned news outlet Al-Arabiya.

The commander reportedly claimed that Israeli leaders are anxious over the ambiguous threat of what will be a "painful and different" attack than "what you expec[t]."

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Despite the ominous tone set by Salami, Iran has been levying similar threats for over a month at the Jewish state following the killing of Haniyeh during a visit to Tehran on July 31.

Iran has laid the blame squarely on Israel for the assassination, in which it claimed a precision strike missile was used, though Jerusalem has not taken credit for the killing.

The U.S., along with other Middle Eastern nations, have warned Tehran against attacking Israel amid fears that a broader regional war could break out, though concerns remain that Iran could look to launch retaliatory strikes through Hezbollah – the Lebanon-based