Porters play chess while waiting for clients to hire them at the central market in Bogota, Colombia, Thursday, Sept. 4, 2014. Corabastos wholesale market is the capital's main distribution point for food and goods since its inauguration in the early 1970's.
Police handcuff protesters blocking traffic on Mack Avenue in Detroit as part of a national protest to push fast-food chains to pay their employees at least $15 an hour Thursday, Sept. 4, 2014. Hundreds of workers from McDonald's, Taco Bell, Wendy's and other fast-food chains are expected to walk off their jobs Thursday, according to labor organizers of the latest national protest to push the companies to pay their employees at least $15 an hour.
People walk outside the Taj Mahal hotel, which was one of the targets of the 2008 terror attacks by a small group of Pakistani militants in Mumbai, India, Thursday, Sept. 4, 2014. At least three Indian states with large Muslim populations have been put on alert in the wake of a video release where the leader of Al-Qaida says the terrorist group has expanded into India.
A health worker, right, sprays a man with disinfectant chemicals as he is suspected of dying due to the Ebola virus as people, rear, look on in Monrovia, Liberia, Thursday, Sept. 4, 2014. As West Africa struggles to contain the biggest ever outbreak of Ebola, some experts say an unusual but simple treatment might help: the blood of survivors. The evidence is mixed for using infection-fighting antibodies from survivors' blood for Ebola, but without any licensed drugs or vaccines for the deadly disease, some say it's worth a shot.
In this Wednesday, Sept. 3, 2014 photo, Iraqi security forces and Shiite militiamen fire at Islamic State group positions during an operation outside Amirli, some 105 miles (170 kilometers) north of Baghdad, Iraq. The Islamic State group has carved out a self-styled caliphate in the large area straddling the Iraqi-Syrian border that it now controls. In early August, the United States launched air strikes on the militant group in Iraq, in an effort to help Iraqi forces fight back against the growing militant threat.
In this photo provided by the Vatican paper L'Osservatore Romano, former soccer great Diego Armando Maradona embraces Pope Francis during a private audience at the Pope's residence at the Vatican, Thursday, Sept. 4, 2014.