People wave independence flags just after the speech of Catalan regional president Carles Puigdemont in Barcelona, Spain, Thursday, Oct. 26, 2017. Puigdemont said Thursday he considered calling a snap election, but was choosing not to because he didn't receive enough guarantees that the government's "abusive" moves to take control of Catalonia would be suspended. (AP Photo/Santi Palacios)

LIB05 DOUMA (SIRIA), 26/10/2017.- Un enfermero trata aun niÒo ante un suelo lleno de sangre tras un ataque bomba de las fuerzas aliadas al gobierno sirio, en el territorio rebelde de Douma, en Siria, hoy, 26 de octubre de 2017. Siete personas fallecieron despuÈs de que varias bombas cayeron en ·reas civiles supuestamente controladas por fuerzas leales al rÈgimen sirio. EFE/MOHAMMED BADRA

TOPSHOT - An opposition supporter reacts under the heavy rain in front of a burning barricade in Mathare district, in Nairobi on October 26, 2017, as a group of demonstrators blocked the road and tried to prevent voters from accessing a polling station during presidential elections. Kenyans trickled into polling stations on October 26 for a repeat election that has polarised the nation, amid sporadic clashes as supporters of opposition leader ignored his call to stay away and tried to block voting. / AFP / LUIS TATO

Members of the Israeli security forces try to remove an ultra-Orthodox Jew from blocking the road as he and others demonstrate against Israeli army conscription in Jerusalem on October 26, 2017. Earlier in the week several thousand ultra-Orthodox Jews blocked the main entrance to Jerusalem and protested in other areas as part of a series of demonstrations against serving in the Israeli military. / AFP / AHMAD GHARABLI

Pope Francis talks with crew members of the International Space Station, ISS Expedition 53, during an audio-video connection at the Vatican October 26, 2017. Osservatore Romano/Handout via Reuters ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. NO RESALES. NO ARCHIVE.

U.S. President Donald Trump displays a presidential public health emergency declaration on the nation's opioid crisis in the East Room of the White House in Washington. REUTERS/Carlos Barria

A police officer and mourners react as Thailand's King Maha Vajiralongkorn passes by during the royal cremation procession of late King Bhumibol Adulyadej at the Grand Palace in Bangkok, Thailand, October 26, 2017. REUTERS/Soe Zeya Tun