TEHRAN, Feb. 7 (Xinhua) -- Iran's Foreign Ministry spokesman Ramin Mehmanparast said that the United States should take action to resolve the dispute over Tehran's nuclear program if it is keen to hold direct negotiations with the Islamic republic, Tehran Times daily reported on Thursday.
"If the Americans are insistent on holding direct talks with Iran, they should take action to resolve the problem they have created with regard to our nuclear activities," Mehmanparast said on Wednesday in reference to the U.S. proposal for bilateral talks with Iran.
The United States keeps the door open for direct talks with the Iranian government with regard to its controversial nuclear program, U.S. Vice-President Joe Biden said last week.
"We will stop Iran from getting a nuclear weapon," Biden said, adding that Iran's nuclear weapon must be stopped as it posed " threat to national security of the United States."
However, he added that there existed "time and space" in terms of "successful diplomacy." While a window of time for negotiations would be kept open, Biden said "it would not be unlimited, and by no means would the U.S. stand idly by as a program for atomic bombs is developed."
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