Tehran, May 25 -- Iran on Monday slammed the frequency of changes coming in from Washington's side as peace negotiations remain underway, highlighting that it results in complicating the talks.

The remarks were made by Esmaeil Baqaei, Iranian Foreign Ministry spokesperson on Monday during a weekly presser.

Speaking to the media, he affirmed that while the parties have arrived on conclusion over a large number of topics.

"It is correct that we have reached conclusions on a large portion of the discussion topics, but to say that this means the signing of an imminent agreement is something no one can claim. The frequent changes in the positions of American officials complicate every negotiation", Baqaei said.

Baqaei on Monday said that t...