A well-informed Iranian source:

A well-informed Iranian source:

The Iranian delegation is protesting Trump’s threats; Iran is evaluating appropriate response options.

The Iranian negotiating team has lodged a protest with the U.S. side and is currently evaluating appropriate response options to the recent verbal threats made by Donald Trump.

According to Article 2 of the memorandum of understanding, any threat is considered a clear violation of the memorandum of understanding

Source: Telegram "i20028843"