The US has been introducing new measures to increase the economic pain on Iran after negotiations collapsed and no end to the intermittent fighting appears in sight

Iran claimed it struck a US unmanned vessel near the Strait of Hormuz, a claim denied by Washington. Rising tensions, naval blockades and threats of an exclusion zone are raising c…

Iran's security chief Mohsen Rezaei says Tehran will announce a restricted zone around the Strait of Hormuz.