Deputy health minister says British government took hold of 3 million masks purchased by Islamic Republic early on in pandemic and never delivered them to Tehran

Iran releases video showing military exercises held by paramilitary force in Strait of Hormuz, where American aircraft carrier passed through last week

Replica resembles Nimitz-class carriers US Navy routinely sails into Persian Gulf from the Strait of Hormuz; previous 2015 model was used as target in war games

Local prosecutor tells Iranian media that body of Arash Kasravi, who was visiting to deal with his father's estate, found alongside those of two other men days after going missing

As Tehran faces unprecedented crises -- including COVID-19, the economy and frequent explosions -- it is hamstrung by a battle between reformists and conservatives, expert says

Tehran's FM says Washington 'must be stopped before disaster' occurs after fighter jet approaches civilian flight; Iran aviation agency calls for probe by international body

Local news site says IRGC has concluded that Ershad Karimi, a contractor at the facility, is behind explosion; blast has been attributed to Israel

Media reports claim warplane or planes forced Mahan Air flight to Beirut to make sudden altitude change, injuring passengers; some reports indicate jets from US

After President Rouhani said 25 million could be infected -- nearly a third of population -- officials downplay figure, saying it refers only to those 'exposed' to virus

Top health official also announces development of cheaper version of remdesivir and favipiravir, which are believed to be helpful in treating some serious COVID-19 cases