A fragile truce between Iran and the United States appeared increasingly shaky early on June 28 as both sides accused one another of violating an interim agreement meant to halt months of fighting, amid renewed missile, drone, and air strikes across the Gulf region.

A fragile truce between Iran and the United States appeared increasingly shaky early on June 28 as both sides accused one another of violating an interim agreement meant to halt months of fighting, amid renewed missile, drone, and air strikes across the Gulf region.