. A U.S. Border Patrol agent detains juvenile undocumented immigrants near the U.S.-Mexico border on Dec. 10, 2015 at La Grulla, Texas. The number of unaccompanied minors and families crossing the border from Central America has surged in recent months. Border security remains a key issue in the U.S. Presidential campaign.
. Miyoshia Bailey cries as she describes how her only son, Cortez Bailey, 23, was shot to death in Chicago during a press conference on Capitol Hill on Thursday in Washington, D.C. The conference featured supporters of gun control and family members of gun violence victims.
. Cuban security personnel detain a member of the Ladies in White dissident group during a protest on International Human Rights Day in Havana on Thursday. Cuban police detained at least six protesters shouting "Freedom" and "Long live human rights" in Havana on Thursday and dissidents reported 100 arrests nationwide on U.N. Human Rights Day, when some Cubans seek to hold unauthorized demonstrations.
. An aide hangs a presidential seal on the wall before President Barack Obama arrives to sign the Every Student Succeeds Act into law in the Eisenhower Executive Office Building at the White House in Washington, on Thursday.
. Argentina's President Mauricio Macri dances behind First Lady Juliana Awada from the balcony at the government house in Buenos Aires, Argentina on Thursday. Macri promises to usher in an era of more civil discourse and roll back much of the Fernandez administration spending that many economists say has brought Argentina to the brink of another financial crisis.
. A Syrian woman and a child wait before being evacuated by members of the Syrian Red Crescent from a rebel-controlled area to a regime held area of the northern Syrian city of Aleppo on Thursday through the Garage al-Hajz crossing in the Bustan al-Qasr district.
. A Chinese honour guard prepares for the arrival of Azerbaijan President Ilham Aliyev before a meeting with Chinese Premier Li Keqiang at the Great Hall of the People in Beijing on Thursday. Ilham Aliyev is on a visit to China from December 8 to 11.
. A fan dressed as a Stormtrooper is seen amid other fans as they gather for a promotional event for the upcoming Star Wars film in Tokyo on Thursday. Star Wars: The Force Awakens premieres in Japan on December 18.
. Residents clear debris from their businesses as an excavator dredges the riverbed after it burst its banks, flooding the village of Glenridding in North West England on Thursday.
. A migrant worker steps out of his accommodation in an area next to a coal power plant in Beijing on Thursday.