Islamic State flags on the Mullah Abdullah bridge in southern Kirkuk earlier this week. A U.N. report says the extremist group has perpetrated possible war crimes and crimes against humanity. Reuters/Landov hide caption

itoggle caption Reuters/Landov

Student protesters in Hong Kong resist during a change of shift for local police but backed down after being reassured they could reoccupy the pavement outside the government compound's gate. Wong Maye-E/AP hide caption

itoggle caption Wong Maye-E/AP

Lebanon's parliament sits in Beirut's rebuilt Nejmeh Square, near the center of the city. Unlike many of Beirut's neighborhoods, the square is often mostly empty. Tim Fitzsimons/NPR hide caption

itoggle caption Tim Fitzsimons/NPR

Pro-democracy protesters chant slogans as they gather next to the central government offices in Hong Kong on Wednesday. Alex Ogle/AFP/Getty Images hide caption

itoggle caption Alex Ogle/AFP/Getty Images

Port Louis is the capital of Mauritius, known as the "Switzerland of Africa" because of its wealth and its mountains. The country has banned visitors from Ebola-stricken nations. Paul Russell/Corbis hide caption

itoggle caption Paul Russell/Corbis

Tonio Borg of Malta, the European Union's Health Commissioner, is spearheading the EU response to the Ebola outbreak. Gianluigi Guercia/AFP/Getty Images hide caption

itoggle caption Gianluigi Guercia/AFP/Getty Images

People read newspapers placed along a street blocked by protesters outside the government headquarters building in Hong Kong on Wednesday. While Hong Kong media are covering the protests closely, media in mainland China have been mostly quiet. Carlos Barria/Reuters/Landov hide caption

itoggle caption Carlos Barria/Reuters/Landov

Cuban Premier Fidel Castro addressed the United Nations General Assembly in September 1960 in New York. A new book details secret negotiations between the U.S. and Cuba dating back to President Kennedy's administration. AP hide caption

itoggle caption AP