TEHRAN (Press Shia) – US Energy Secretary Rick Perry said Tuesday he had discussed his country's sanctions against Iran with Iraqi energy officials and signaled an intention to step up US private sector investment in Iraq.

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Perry spoke at a Baghdad hotel where he was attending a US chamber of commerce event alongside Iraqi Oil Minister Thamer Ghadhban, Reuters reported.

The United States has restored sanctions targeting Iran's oil industry as well as its banking and transport industry.

Baghdad is seeking US approval to allow it to import Iranian gas for its power stations.

Iraqi officials say they need more time to find an alternative source than a 45-day waiver granted to it by the United States.

"Sanctions were mentioned in meetings this morning," Perry said without providing details.

He added that his attendance was sending a strong message of US commitment to Iraq's economy and energy sector and that he recognized the challenges faced by Iraq's government when it comes to rebuilding oil infrastructure destroyed during the war against Daesh militants.

"This is a different administration that will move with speed to develop an energy sector that best serves the citizens of Iraq," Perry said of Prime Minister Adel Abdel-Mahdi's government.