US defense chief Chuck Hagel, meeting with his counterpart from Azerbaijan, said Monday it was imperative Iran quickly resolve concerns about its nuclear program.
New President Hassan Rowhani, a reputed moderate, told the West after taking the oath of office on Sunday the only way to interact with Iran is through dialogue, not sanctions.
Mid-ranking cleric Hassan Rowhani meets Iran's supreme leader on Saturday to be endorsed as the country's seventh president a day after making controversial comments about the Islamic republic's arch-foe Israel.
Shiite Iran has denounced the European Union for its decision to blacklist Hezbollah's armed wing as a terror group, accusing it of acting in Israel's interests.
Iran's supreme leader Ayatollah Ali Khamenei warned Sunday that Washington was "not trustworthy", after former US officials and lawmakers urged diplomacy with the Islamic republic's incoming president Hassan Rowhani.
A year after an anti-Israeli bus bombing killed six people, Bulgaria is struggling to identify the attacker or confirm his suspected links to Hezbollah or Iran.
Europe must take a firmer line with Iran over its controversial nuclear programme, Israeli Prime Minister Benjamin Netanyahu said Thursday at the start of a working meeting with EU foreign policy chief Catherine Ashton.
Iran's newly-elected president Hassan Rowhani ruled out any halt to the nuclear activity that has drawn UN sanctions but said he hoped an early deal could be reached to allay the concerns of major powers.
US President Barack Obama said that Iran's election result showed the country's people wanted to back away from confrontation with the outside world but ruled out for the moment lifting economic sanctions on Tehran.
The election of the moderate Hassan Rowhani as Iran's new president is a game-changer which could set a new tone and soothe tensions with the West over Tehran's disputed nuclear programme.