U.S. Blocks Iran From Selling Oil After Ships Hit in Tense Waterway

Three oil tankers were attacked in the Strait of Hormuz in early July. The U.S. responded by blocking Iran's ability to sell oil overseas—reversing permission given during recent talks. Iran refuses to negotiate further unless America removes its economic penalties, something the U.S. won't do. A month-old ceasefire agreement is now under strain.