Oil prices retreated on Tuesday in Asia despite continuing tension between the U.S. and Iran.Oil prices surged on Monday following the news that a U.S. airstrike killed a top Iranian general, sparking an escalation in conflict between the two countries. The American Petroleum Institute will release its snapshot of U.S. oil inventories later in the day. Prices were also supported this week b y higher compliance among the Organization of the Petroleum Exporting Countries (OPEC) on meeting production quota curbs aimed at reducing supply. “The market is recovering from the initial shock and closely monitoring how Tehran will respond,” said Will Sungchil Yun, commodities analyst at VI Investment Corp in a Bloomberg report. On Monday, the U.S. has ordered more troops to the Middle East after Iran’s Supreme Leader Ayatollah Ali Khamenesaid it will retaliate against the attack that killed General Qassem Soleimani.