"On a humanitarian basis, we will continue our efforts," to find Robert Levinson, Foreign Ministry spokesman Ramin Mehmanparast said at a weekly briefing.
"I have been treated well. But I need the help of the United States government to answer the requests of the group that has held me for three and a half years," Levinson says. "And please help me get home."
Missing ex-FBI agent in hostage video: 'Help me' →