IRGC chief says Lebanese proxy group honed skills fighting in Syrian civil war, claims US-led efforts to undermine Tehran's regional influence have backfired

Defense chief slams Israel's willingness to assist US-led efforts as 'highly provocative'; IRGC chief warns Hamas and Hezbollah will cause Jewish state's 'collapse' in next war

Officials concerned Iran may be emboldened after Trump appears to dismiss incident as a possible accident; White House invites House, Senate leaders for briefing

Rhetoric escalates as Revolutionary Guard chief threatens: 'Any enemy that violates the borders will be annihilated'

US Central Command confirms aircraft shot down by surface-to-air missile; Revolutionary Guard says drone switched off tracking equipment; Iran warns US against violating airspace

Gen. Hossein Salami says country is ready for war though no 'intention' for it; US official: Drone was shot down by surface-to-air missile in international airspace

Iranian FM says Tehran not seeking conflict; Hossein Salami indicates the two rivals are locked in a full-scale confrontation in the intelligence battlefield

Amid simmering tensions in Gulf, Hossein Salami says 'this moment in history is the most decisive moment of the Islamic revolution'; Rouhani: US engaged in 'crime against humanity'

Weekly magazine Seda had called for regime to engage diplomatically with Washington to defuse tensions and stave off risk of 'widespread war'

New IRGC chief says Washington trying to force Tehran to come to the table as exemptions for some countries over energy exports come to an end