No decision yet on extending expired agreement that let International Atomic Energy Agency review camera recordings, or on deleting the material, according to foreign ministry

UN nuclear watchdog says it received no reply from Tehran over an extension to the already temporary agreement, which lapsed last week

Iranian envoy to IAEA asserts agreement to keep recordings of nuclear sites 'shouldn't be considered as obligation'; US official says Tehran 'should engage' with the agency

UN atomic watchdog hasn’t been able to access surveillance cameras at Iranian nuclear sites since late February

Kingdom's foreign minister meets head of top nuclear watchdog and requests pressure to 'stop Iranian violations and policies of international laws'

Envoy to International Atomic Energy Agency says that claim is 'counterproductive' and 'deeply disappointing' to Tehran, warns attitude could become an 'obstacle' in negotiations

Facility that allegedly had been used to produce key nuclear component was covered in recent months, after IAEA inspection of other suspected sites

US secretary of state admits he's unsure Tehran interested in rejoining pact; IAEA chief adds to skepticism, saying 'space narrowing' for a temporary deal

UN nuclear agency head Grossi has been pushing Tehran for answers on three sites dating back many years where inspections revealed traces of uranium of man-made origin

Diplomats say negotiations for resumption of 2015 pact moving along, though some issues remain; top official dismisses UN atomic watchdog's lack of access to sites as 'not related'