Russian President Vladimir Putin listens to translation at the news conference after the trilateral summit with the leaders of Iran and Turkey, in Tehran, Iran, September 7, 2018.

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Russian President Vladimir Putin speaks at the news conference after the trilateral summit with the leaders of Iran and Turkey, in Tehran, Iran, September 7, 2018.

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Iranian President Hassan Rouhani listens to a question at the news conference after the trilateral summit with the leaders of Russia and Turkey, in Tehran, Iran, September 7, 2018.

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Iranian President Hassan Rouhani listens to a question at the news conference after the trilateral summit with the leaders of Russia and Turkey, in Tehran, Iran, September 7, 2018.

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Turkish President Recep Tayyip Erdogan speaks at the news conference after the trilateral summit with the leaders of Iran and Russia, in Tehran, Iran, September 7, 2018.

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Russian President Vladimir Putin speaks at the news conference after trilateral summit with the leaders of Iran and Turkey, in Tehran, Iran, September 7, 2018.

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Russian President Vladimir Putin, left, Iranian President Hassan Rouhani, center, and Turkish President Recep Tayyip Erdogan listen to a question at the news conference after their trilateral summit in Tehran, Iran, September 7, 2018.

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Russian President Vladimir Putin arrives for the news conference after the trilateral summit with the leaders of Iran and Turkey, in Tehran, Iran, September 7, 2018.

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Russian President Vladimir Putin, left, Iranian President Hassan Rouhani, center, and Turkish President Recep Tayyip Erdogan speak at the news conference after their trilateral summit in Tehran, Iran, September 7, 2018.

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Russian President Vladimir Putin, left, speaks to Turkish President Recep Tayyip Erdogan during their meeting in Tehran, Iran, September 7, 2018.

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Russian President Vladimir Putin, left, and Turkish President Recep Tayyip Erdogan shake hands during their meeting in Tehran, Iran, September 7, 2018.

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Russian President Vladimir Putin, left, and Turkish President Recep Tayyip Erdogan shake hands during their meeting in Tehran, Iran, September 7, 2018.

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Russian President Vladimir Putin, left, speaks to Turkish President Recep Tayyip Erdogan during their meeting in Tehran, Iran, September 7, 2018.

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Russian President Vladimir Putin, left, and Turkish President Recep Tayyip Erdogan shake hands during their meeting in Tehran, Iran, September 7, 2018.

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Russian President Vladimir Putin, left, and Turkish President Recep Tayyip Erdogan shake hands during their meeting in Tehran, Iran, September 7, 2018.

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