Rebellions and uprisings

An opponent of the Nicolas Maduro government, his mouth covered with strands representing the national colors of Venezuela, waits for the arrival of opposition leader Juan Guaidó to lead a rally in Caracas, Venezuela, Saturday, May 11, 2019. Guaidó has called for nationwide marches protesting the Maduro government, demanding new elections and the release of jailed opposition lawmakers. (AP Photo/Martin Mejia)

FILE - This Sept. 29, 2018 file photo shows idle cargo and oil tanker ships at the port of Hodeida, Yemen. On Saturday, May 11, 2019, Houthi rebels began a long-delayed withdrawal of their forces from the key port city, the group said, following the terms of a cease-fire. The U.N.-brokered agreement is aimed at alleviating the world’s worst humanitarian crisis. (AP Photo/Hani Mohammed)

Venezuela's opposition leader Juan Guaidó, who declared himself the interim-president of Venezuela, stands next to a mural at the Popular Will party's headquarters, in Caracas, Venezuela, Friday, May 10, 2019. In an interview Friday with The Associated Press, Guaidó repeated his willingness to consider inviting foreign troops to force Nicolas Maduro from power, echoing the line from Washington that “all options” are on the table for dealing with Venezuela’s rapidly-escalating crisis. (AP Photo/Martin Mejia)

Residents speaks with National Police at the entrance of Helicoide prison in Caracas, Venezuela, Thursday, May 9, 2019, where Edgar Zambrano, vice president of the opposition-controlled National Assembly is being held after his arrest the previous night. The arrest of Zambrano unleashed fears of a wider crackdown on Thursday, even as members of the opposition issued renewed calls for weekend protests in a months long campaign to oust President Nicolás Maduro. (AP Photo/Fernando Llano)

Opposition militants and journalists gather outside the Democratic Action political party headquarters, where a sign reads in Spanish "National Executive Committee. All united to vote and win," in Caracas, Venezuela, Wednesday, May 8, 2019, after National Assembly Vice President Edgar Zambrano was arrested when leaving the headquarters. Security forces arrested the No. 2 leader of Venezuela’s opposition-controlled congress Wednesday as President Nicolás Maduro’s government began going after foes tied to a failed attempt to stir up a military uprising last week. (AP Photo/Rodrigo Abd)

FILE - In this Jan. 5, 2019 file photo, incoming National Assembly Vice President Edgar Zambrano, left, arrives with incoming National Assembly President Juan Guaido, center, and Omar Barboza, outgoing president of Venezuela's National Assembly, to a special session at the Assembly in Caracas, Venezuela. Zambrano was arrested on Wednesday, May 8, 2019, according to Carlos Prosperi, leader of the Democratic Action party, who said Zambrano was in his car when it was surrounded by heavily armed police outside the party’s headquarters. His arrest follows a government announcement that Zambrano and several other lawmakers were under investigation for treason and instigating an insurrection. (AP Photo/Fernando Llano, File)

This photo provided by the Syrian Civil Defense group known as the White Helmets, shows members of the Syrian Civil Defense workers carrying a victim after a deadly airstrike hit a market killing several people in the village of Ras el-Ain, in the northwestern province of Idlib, Syria, Tuesday, May 7, 2019. Opposition activists say government forces have intensified their bombardment of rebel-held towns and villages in northwestern Syria. (Syrian Civil Defense White Helmets via AP)

Venezuelan Bolivarian National stand guard around the National Assembly building as the opposition-controlled congress met to discuss a move could provide political cover for greater international involvement in the nation's crisis, in Caracas, Venezuela, Tuesday, May 7, 2019. Military police prevented journalists from entering the National Assembly, and some reporters were harassed by government supporters outside the building. (AP Photo/Fernando Llano)

An opponent to Venezuela's President Nicolas Maduro holds a candle during a vigil for those killed in street fighting over the past week in Caracas, Venezuela, Sunday, May 5, 2019. Opposition leader Juan Guaid called in vain for a military uprising to overthrow President Nicolas Maduro, and five people were killed in clashes between protesters and police. (AP Photo/Martin Mejia)

An opponent to Venezuela's President Nicolas Maduro, his face the colors of the Venezuelan national flag and the Spanish word for "Freedom" written on his forehead, takes part in a march in Caracas, Venezuela, Saturday, May 4, 2019. Opposition leader Juan Guaido took his quest to win over Venezuela's troops back to the streets, calling his supporters to participate in an outreach to soldiers outside military installations across the country. (AP Photo/Martin Mejia)