Long lines have formed outside gas stations in Iran's capital as people rush to fill their tanks amid fuel shortages, fears of higher prices and new U.S. sanctions. On Tuesday, drivers reported waits of two hours or more. Washington is increasing economic pressure in hopes of forcing Iran to make concessions to end the war. Iranian officials accuse the U.S. of trying to foment internal unrest after failing to defeat Iran militarily. Iran’s broader economy suffers from double-digit inflation and its currency has hit a record low. Analysts warn of growing public frustration, though there is no sign yet of protests.