PM accuses Tehran of 'systematically' breaching 2015 nuclear deal by hiding uranium sites and enriching fissure material

Hezbollah leader says Jewish state waging an 'imaginary battle' against 'everything related to missile manufacture in Syria'

Tehran is close ally of Damascus in the Syrian civil war, with military advisers as well as Shiite pilgrims frequently traveling between the two countries

War monitor says Farhad Dabirian was close to Hezbollah chief Hassan Nasrallah, oversaw operations against Islamic State in Palmyra

Threat follows reported Israeli airstrikes outside Damascus, an warning from Tehran that it could raze Tel Aviv

Russian leader on first trip to Syrian capital since start of 2011 civil war, which comes amid soaring US-Iran tensions and fears of war

Hezbollah leader says it is group's responsibility to take 'revenge for martyred fighters'; Damascus also blasts 'cowardly US aggression' in killing of top Iranian general

Major commercial projects could potentially make it easier for Tehran to increase its influence in Israel's northeastern neighbor

Agreement has Tehran footing bill for construction of power plants, transmission lines, possibly connecting countries via Iraq, as Islamic Republic seeks to deepen role in country

US Secretary of State will arrive in Israel on Friday after talks in Ankara aimed at achieving ceasefire in Turkish invasion of northern Syria; talks to also focus on Iran