According to the Russian satellite news agency on August 14, U.S. officials told the Wall Street Journal on Thursday that the United States had seized four Iranian oil tankers on the high seas. The tankers are said to be carrying Iranian oil in violation of U.S. sanctions. The four tankers are on their way to the main oil port in Houston, Texas. < p > < p > it is reported that the motivation for the us to detain Iranian oil tankers is that five Iranian oil tankers arrived in Venezuela earlier this year and delivered 1.5 million barrels of gasoline to Venezuela, which is also subject to restrictive economic sanctions from the United States. On August 10, Pakistan, at the request of the U.S. government, seized an Iranian oil tanker at the port of Karachi. However, since the name of the tanker has never been reported, it is not clear whether it is one of the four oil tankers on its way to Houston. < / P > < p > the trump administration has imposed restrictive economic sanctions on Iran since August 2018, with the goal of reducing the country’s oil exports to zero and at the same time trying to weaken other industries in Iran.