A Citi Bike user pedals off from a bicycle station. The company that owns the service in New York and other cities has been sold, after suffering problems tied to its supply chain and the weather. John Moore/Getty Images hide caption

itoggle caption John Moore/Getty Images

Australia is no longer processing new visa applications from the three worst-hit countries in Africa's Ebola outbreak. Here, a jetliner prepares to land at Sydney's international airport. Jason Reed/Reuters/Landov hide caption

itoggle caption Jason Reed/Reuters/Landov

A customer makes a purchase using Apple Pay on her iPhone 6 at a Walgreens store in Times Square last Monday. The mobile payment service has now been blocked by CVS and Rite Aid. John Minchillo/AP Images for MasterCard hide caption

itoggle caption John Minchillo/AP Images for MasterCard

Nurse Kaci Hickox will be allowed to leave the hospital where she's been in quarantine since Friday, New Jersey officials said Monday. Hickox is seen here in an undated photo. University of Texas at Arlington/AP hide caption

itoggle caption University of Texas at Arlington/AP

A voter raises her ink-stained finger after voting in Tunis Sunday. Tunisians voted in parliamentary elections that bring full democracy finally within their reach, in the cradle of the Arab Spring. Zoubeir Souissi/Reuters /Landov hide caption

itoggle caption Zoubeir Souissi/Reuters /Landov

A woman has her fingerprints checked with a new biometric identification machine before voting in Brasilia Sunday. More than 142 million Brazilians went to the polls, ending a dramatic campaign. Evaristo SA/AFP/Getty Images hide caption

itoggle caption Evaristo SA/AFP/Getty Images

U.K. armed forces and U.S. Marines have ended combat operations in Afghanistan. In a formal handover, British troops stood with peers from the U.S. Marine Corps and the Afghan National Security Forces as the Union Flag and Stars and Stripes were lowered for the last time at the Bastion-Leatherneck complex Sunday. Sergeant Obi Igbo, RLC/AP hide caption

itoggle caption Sergeant Obi Igbo, RLC/AP