Iran-Donald Trump: Factors that are stopping U.S. President from carrying out Venezuela-like attack in Tehran?
While Washington has stepped back from military action, the White House said on Thursday that "all options remain on the table for the president Donald Trump".

While Washington has stepped back from military action, the White House said on Thursday that "all options remain on the table for the president".
"The president understands today that 800 executions that were scheduled and supposed to take place yesterday were halted," White House Press Secretary Karoline Leavitt told reporters.
She said Trump had warned Tehran of "grave consequences" if the killing of demonstrators continued.
The Treasury also announced new sanctions targeting Iranian officials on Thursday, with Tehran already under crippling restrictions over its nuclear programme that contributed to the economic woes that sparked protests.
The Norway-based Iran Human Rights (IHR) NGO said on Wednesday that Iranian security forces had killed at least 3,428 protesters, warning that the final toll would be far higher.
Trump had said Wednesday he had received assurances from "very important sources on the other side" that executions would not go ahead, as Gulf allies scrambled to pull him back from military action.
With the belligerent rhetoric on all sides appearing to tone down for now, a senior Saudi official told AFP on Thursday that Saudi Arabia, Qatar and Oman led efforts to talk Trump out of an attack, fearing "grave blowbacks in the region".
The Gulf trio "led a long, frantic, diplomatic last-minute effort to convince President Trump to give Iran a chance to show good intention", the official said on condition of anonymity.
A second Gulf official confirmed the talks, adding that a message was also conveyed to Iran that attacking US regional facilities would "have consequences".
Asked about a New York Times report that Israeli Prime Minister Benjamin Netanyahu warned Trump against strikes, Leavitt said: "Look, it's true that the president spoke with (him), but I would never give details about their conversation without... the express approval by the president himself."
Iranian authorities have lashed out at "rioters" who they claim were backed by Israel and the US, vowing fast-track justice that activists fear will translate into a spree of executions.
In telephone talks on Thursday, Iranian Foreign Minister Abbas Araghchi told his Saudi counterpart Faisal bin Farhan that Iran would defend itself "against any foreign threat", according to a statement.
On Wednesday, Saudi Arabia informed Iran it would not allow its airspace or territory to be used to attack the country, two sources close to the kingdom's government told AFP.
The Swiss foreign ministry, which represents US interests in Iran, said Iranian security chief Ali Larijani spoke by phone on Wednesday to senior Swiss diplomat Gabriel Luechinger.
Bern offered to "contribute to the de-escalation of the current situation", the ministry said.
Later on Thursday the country summoned Iran's ambassador to voice its "greatest concern" over the crackdown on nationwide protests, a foreign ministry official said.
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