FILE - In this Feb. 13, 2018, file photo, Umm Mizrah, a 25-year-old Yemeni woman, holds her son Mizrah on a scale in Al-Sadaqa Hospital in the southern Yemen city of Aden. The woman, who is nearly into the second trimester of her pregnancy, weighed 38 kilograms (84 pounds), severely underweight. Mizrah, who was 17 months old, weighed 5.8 kilograms (12.8 pounds), around half the normal weight for his age. (AP Photo/Nariman El-Mofty, File)

In this photo released on Monday, Oct. 1, 2018, by the Iranian Revolutionary Guard, missiles are fired from city of Kermanshah in western Iran targeting the Islamic State group in Syria. Iran's paramilitary Revolutionary Guard said Monday it launched ballistic missiles into eastern Syria targeting militants it blamed for a recent attack on a military parade. (Sepahnews via AP)

FILE - In this July 8, 2017 file image taken from FBI video and provided by the U.S. Attorney's Office in Hawaii on July 13, 2017, Army Sgt. 1st Class Ikaika Kang holds an Islamic State group flag after allegedly pledging allegiance to the terror group at a house in Honolulu. Kang is set to plead guilty Wednesday, Aug. 29, 2018, as charged in an indictment last year, defense attorney Birney Bervar said. He is agreeing to a 25-year sentence for charges that could have put him in prison for life. (FBI/U.S Attorney's Office, District of Hawaii via AP, File)

A local resident rides his motorcycle near portraits of Syrian President Bashar al-Asad, right, and Russian President Vladimir Putin in the town of Rastan, Syria, Wednesday, Aug. 15, 2018. The Russian Defense Ministry said it is coordinating efforts to help Syrian refugees return home and rebuild the country's infrastructure destroyed by the civil war. (AP Photo/Sergei Grits)

A supporter of Venezuela's President Nicolas Maduro holds up his picture during a rally in Caracas, Venezuela, Monday, Aug. 13, 2018. The United Socialist Party of Venezuela (PSUV) organized the rally to show support for the president following what the government called a failed assassination attempt with explosives-laden drones. (AP Photo/Ariana Cubillos)

FILE - In this Dec.13, 2017 file photo, president of Venezuelan parliament Julio Borges leaves after receiving the Sakharov Prize for Freedom of Thought, an award given to Venezuela's opposition, in Strasbourg, eastern France. On Tuesday, Aug. 7, 2018, Venezuelan President Nicolas Maduro implicated Borges, one of the country’s most prominent opposition leaders, in an alleged assassination attempt using drones. (AP Photo/Jean-Francois Badias, File)

Julio Borges, president of the Venezuelan parliament, arrives for a meeting with Ernesto Macias, president of Colombia's Senate, at the Congress in Bogota, Colombia, Wednesday, Aug. 8, 2018. Venezuelan President Nicolas Maduro implicated Borges, one of the country's most prominent opposition leaders, in an alleged assassination attempt using drones. (AP Photo/Fernando Vergara)