Top military official says domestically built Sahand will escort Iranian vessels around Arabian Peninsula as unrest in strategic waterways continues

State news agency reports crash was due to technical problem, says both crew members survived; no word on purpose of flight

Ahmadreza Pourdastan warns clash in the region would be a 'huge disaster,' claims Iran's rivals deterred by its military capabilities

Tehran's downing of a sophisticated US drone - albeit a large, slow one - shows it knows how to use its missile systems, though it still lags far behind US capabilities

State airline Saudia joins multiple carriers in rerouting flights, as Iran-US tensions flare over the downing of an American military drone

FAA bars American-registered aircraft from flying over airspace, citing 'potential for miscalculation or misidentification'; several top global companies follow suite

Amid war of words and escalating tensions between Tehran and Washington, vote could provide political cover for uranium enrichment

One army general warns Tehran has 'secret weapons' to destroy American forces, while another says 'rational American commanders' will prevent war

Communications minister says Iranian scientists have created a firewall to block computer viruses from harming infrastructure, like bug that damaged nuclear centrifuges

PM convenes security heads to discuss potential escalation, speaks to Pompeo, TV report says; assessment is reportedly that Israel unlikely to be targeted