FILE - In this file photo dated Saturday, Aug. 6, 2016, United States Secretary of State John Kerry watches a beach volleyball match at the 2016 Summer Olympics in Rio de Janeiro, Brazil. Kerry will be in Africa on Monday for talks in Kenya and Nigeria on countering terrorism before visiting Saudi Arabia to discuss the conflict in Yemen.(AP Photo/Petr David Josek, FILE)

FILE - In this file photo dated Wednesday, July 27, 2016, U.S. Secretary of State John Kerry, following his joint news conference with Philippine counterpart Perfecto Yasay Jr. at the Department of Foreign Affairs in Pasay city south of Manila, Philippines. Kerry will be in Africa on Monday for talks in Kenya and Nigeria on countering terrorism before visiting Saudi Arabia to discuss the conflict in Yemen. (AP Photo/Bullit Marquez, FILE)

FILE - In this July 21, 2016 file photo, Secretary of State John Kerry speaks at a news conference at the conclusion of the Meeting of the Ministers of the Global Coalition to Counter ISIL at the State Department in Washington. Kerry is arriving in Africa on Monday, Aug. 22, 2016 for talks in Kenya and Nigeria on countering terrorism before visiting Saudi Arabia to discuss the conflict in Yemen.(AP Photo/Cliff Owen)

Iman Ismail, of Puerto Rico, left, stands with her son Khalid Abumadi, 3, center, during a symbolic naturalization ceremony for children, Friday, Aug. 19, 2016, at the U.S. Citizenship and Immigration Services Field Office in Hialeah, Fla. Abumadi was born in Saudi Arabia and is a U.S. citizen. (AP Photo/Lynne Sladky)

Iman Ismail, of Puerto Rico, left, sits with her son Khalid Abumadi, 3, center, during a symbolic naturalization ceremony for children, Friday, Aug. 19, 2016, at the U.S. Citizenship and Immigration Services Field Office in Hialeah, Fla. Abumadi was born in Saudi Arabia and is a U.S. citizen. (AP Photo/Lynne Sladky)

Iman Ismail, of Puerto Rico, left, sits with her son Khalid Abumadi, 3, center, during a symbolic naturalization ceremony for children, Friday, Aug. 19, 2016, at the U.S. Citizenship and Immigration Services Field Office in Hialeah, Fla. Abumadi was born in Saudi Arabia and is a U.S. citizen. (AP Photo/Lynne Sladky)

In this photo provided by the Bureau of Immigration, Indonesians carrying Philippine passports wait after being intercepted by immigration authorities on Friday Aug. 19 at Manila's airport, before boarding their flight for Saudi Arabia to participate in a hajj pilgrimage. Officials said the 177 Indonesian passengers' identities were revealed because they could not speak any Philippine language or dialect and could only converse in English. (Bureau of Immigration via AP)

In this photo provided by the Bureau of Immigration, Indonesians carrying Philippine passports wait after being intercepted by immigration authorities on Friday Aug. 19 at Manila's airport, before boarding their flight for Saudi Arabia to participate in a hajj pilgrimage. Officials said the 177 Indonesian passengers' identities were revealed because they could not speak any Philippine language or dialect and could only converse in English. (Bureau of Immigration via AP)

Sarah Attar, of Saudi Arabia, reacts after crossing the finish line, the second last finisher in the womens marathon at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Sunday, Aug. 14, 2016. (AP Photo/Robert F. Bukaty)

Hassan Taftian of the Islamic Republic of Iran, Zhenye Xie of China, Abdullah Abkar Mohammed of Saudi Arabia, Nickel Ashmeade of Jamaica and Kim Collins of Saint Kitts and Nevis during men's 100m in the Olympic stadium of the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, Aug. 13, 2016 Rio 2016 Olympic Games, Athletics, Men's 100m, Olympic Stadium, Brazil - 13 Aug 2016 (Rex Features via AP Images)

Zhenye Xie of China, Abdullah Abkar Mohammed of Saudi Arabia and Nickel Ashmeade of Jamaica during men's 100m in the Olympic stadium of the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, Aug. 13, 2016 Rio 2016 Olympic Games, Athletics, Men's 100m, Olympic Stadium, Brazil - 13 Aug 2016 (Rex Features via AP Images)

Zhenye Xie of China, Abdullah Abkar Mohammed of Saudi Arabia and Nickel Ashmeade of Jamaica during men's 100m in the Olympic stadium of the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, Aug. 13, 2016 Rio 2016 Olympic Games, Athletics, Men's 100m, Olympic Stadium, Brazil - 13 Aug 2016 (Rex Features via AP Images)

2911537 08/13/2016 From left: Xie Zhenye (China), Abdullah Abkar Mohammed (Saudi Arabia) and Nickel Ashmeade (Jamaica) during the preliminary round of the men’s 100m race at the XXXI Summer Olympics. Konstantin Chalabov/Sputnik via AP

Saudi Arabia's Kariman Abuljadayel competes in a women's 100-meter heat during the athletics competitions of the 2016 Summer Olympics at the Olympic stadium in Rio de Janeiro, Brazil, Friday, Aug. 12, 2016. (AP Photo/Martin Meissner)

Saudi Arabia's Kariman Abuljadayel competes in a women's 100-meter heat during the athletics competitions of the 2016 Summer Olympics at the Olympic stadium in Rio de Janeiro, Brazil, Friday, Aug. 12, 2016. (AP Photo/David J. Phillip)