Pakistan, June 1 -- Iranian Foreign Minister Abbas Araghchi said on Sunday that talks and message exchanges with the United States were ongoing, but stressed that no assessment of negotiations could be made until a clear outcome was reached.

"We should not give importance to speculation and we cannot judge the talks until we get to a clear result," Araghchi added.

Iran's parliament speaker and top negotiator, Mohammad Bagher Ghalibaf, said on Sunday that Tehran will not accept any deal with Washington unless it ensures "the rights of the Iranian people are secured."

"There is no trust in the ?enemy's words and ?promises. Our only criterion is to achieve tangible results ?before we fulfil our ?commitments in ?return," the state broadcas...