WRAPUP 3-Saudi seeks oil supply protection as U.S and Iran face off

Saudi Arabia called for swift action to secure Gulf energy supplies and joined the United States in blaming Iran for attacks on two oil tankers in a vital shipping route that have raised fears of broader confrontation in the region.Thursday's tanker attacks in the Gulf of Oman exacerbated the antagonistic fallout from similar blasts in May that crippled four vessels.