Demonstrators waved Iranian, Palestinian and Hezbollah flags and voiced unwavering allegiance to Tehran.
Mr Araghchi emphasised that Iran would not be forced into negotiations, saying, “There will be no direct negotiations between us and the United States.”
The New York politician said preliminary American intelligence findings suggested no evidence of foul play as of Sunday evening.
The 60-year-old Iranian threatened to commit violence in the building.
Israel’s military leadership said it does not intend to leave the major Iranian attack on Saturday unanswered.
The two nations have been hostile to each other since the Iran-Iraq conflict in the 1980s.
The woman from southwestern Iran had attracted attention as part of the nationwide protests when the authorities had her shop shut.
