UPDATE 1-Strait of Hormuz open after tanker, U.S. navy ship collide
DUBAI/MUSCAT, Aug 12 (Reuters) - An oil tanker collided with a U.S. Navy ship near the Strait of Hormuz on Sunday but no one was hurt and shipping traffic in the waterway, through which 40 percent of the world's seaborne oil exports pass, was not affected, officials said.