Protests and demonstrations

South Korean police officers stand guard against possible rallies against Japan in front of a building where the Japanese embassy is located in Seoul, South Korea, Friday, July 19, 2019. South Korean police say a man has set himself on fire in front of the Japanese Embassy in Seoul amid rising trade disputes between Seoul and Tokyo. (AP Photo/Ahn Young-joon)

Swedish climate activist Greta Thunberg takes part in the school strike demonstration Fridays for future in Berlin, Germany, July 19, 2019. (Paul Zinken/dpa via AP)

Police in riot gear are lined up on a road in Hawaii where an estimated 2,000 people are gathered to protest construction of a telescope on a mountain that some Native Hawaiians consider sacred, on Mauna Kea on the Big Island of Hawaii, Wednesday, July 17, 2019. Hawaii County Managing Director Wil Okabe says officials on Wednesday closed a highway leading to the protest site so a convoy of construction equipment can be brought up Mauna Kea. Protesters are off to the side of the road, singing. (Cindy Ellen Russell/Honolulu Star-Advertiser via AP)

Officers from the Hawaii Department of Land and Natural Resources arrest protesters, many of them elderly, who are blocking a road to prevent construction of a giant telescope on a mountain that some Native Hawaiians consider sacred, on Mauna Kea on the Big Island of Hawaii, Wednesday, July 17, 2019. Police were taking away about 30 elders, who were prepared to be arrested. Protest leader Kealoha Pisciotta says hundreds of protesters moved aside to allow the elders to be taken away. (Cindy Ellen Russell/Honolulu Star-Advertiser via AP)

Singer Ricky Martin, left, waves the Puerto Rican flag during march against governor Ricardo Rosello, in San Juan, Puerto Rico, Wednesday, July 17, 2019. Protesters are demanding Rossello step down for his involvement in a private chat in which he used profanities to describe an ex-New York City councilwoman and a federal control board overseeing the island's finance. (AP Photo/Dennis M. Rivera Pichardo)

Gen. Mohammed Hamdan Dagalo, right, and Sudan's pro-democracy movement leader Ahmad al-Rabiah shake hands after signing a power sharing document in Khartoum, Sudan, Wednesday, July 17, 2019. The two sides are still at work on a more contentious constitutional agreement that would specify the division of powers. (AP Photo/Mahmoud Hjaj)

FILE - In this Monday, June 10, 2019, file photo, police officers use pepper spray against protesters in a rally against the proposed amendments to the extradition law at the Legislative Council in Hong Kong. What began as a protest against an extradition bill has ballooned into a fundamental challenge to the way Hong Kong is governed _ and the role of the Chinese government in the city’s affairs. (AP Photo/Vincent Yu, File)

A police officer gestures at demonstrators blocking a road at the base of Hawaii's tallest mountain, Monday, July 15, 2019, in Mauna Kea, Hawaii, who are protesting the construction of a giant telescope on land that some Native Hawaiians consider sacred. (AP Photo/Caleb Jones)

Puerto Rico governor Ricardo Rossello holds a press conference, almost two days after federal authorities arrested the island's former secretary of education and five other people on charges of steering federal money to unqualified, politically connected contractors, in San Juan, Puerto Rico, Thursday, July 11, 2019. At the time of the arrests, Rossello was in the middle of a family vacation in France, which he canceled to travel back to the Island. U.S. Attorney for Puerto Rico Rosa Emilia Rodríguez said Gov. Ricardo Rossello was not involved in the investigation. (AP Photo/Carlos Giusti)