Iran has been making a lot of noise about sending a flotilla of “humanitarian aid” to Gaza, but today the news is that they’ve canceled their plan.

And after blustering for weeks about destroying the Israelis if they tried to stop the flotilla, Iran’s reason for canceling is: they’re afraid of “Israeli threats.”

One of the organizers of an Iranian aid flotilla that was to said to Gaza in efforts to break Israel’s naval blockade on the territory, announced Thursday that the event has been cancelled due to “Israeli threats.”

Army Radio reported that a separate Iranian ship, carrying 60 Iranian activists, was being prepared to sail to Gaza via the Caspian Sea. This after the Lebanese media reported several days ago that Egypt has denied Israel’s request to prevent Iranian ships from passing through the Suez Canal toward Egypt.

Meanwhile Thursday, the U.S. State Department issued a statement calling the aid flotillas to Gaza irresponsible.

“Mechanisms exist for the transfer of humanitarian assistance to Gaza by member states and groups that want to do so,” the U.S. State Department said regarding Lebanese plans to ship aid to Gaza. “Direct delivery by sea is neither appropriate nor responsible, and certainly not effective, under the circumstances.”