Iran 's announcement came as a delegation of senior officials from the International Atomic Energy Agency , led by Olli Heinonen , who has long been an expert in both the North Korean and Iranian nuclear programs , arrived in Tehran for a weeklong visit .
Iran /location/location/contains Tehran
Iran /location/country/capital Tehran
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Iran
LOCATION
Tehran
LOCATION
/location/location/contains
Iran
LOCATION
Tehran
LOCATION
/location/country/capital