Associated Press photographsFlowers cover a barricade heading to Kiev's Independence Square, the epicenter of Ukraine's recent unrest on a day of mourning. Official reports say 82 people were killed in clashes between activists and riot police.
Ukrainian opposition figure Yulia Tymoshenko meets in Kiev on Sunday with U.S. Ambassador Geoffrey R. Pyatt (left) and EU Ambassador to Ukraine Jan Tombinski. An ally of Ms. Tymoshenko, who was recently released from prison, took presidential powers before elections can be held.
Rafael Nadal, of Spain, reacts during his match with Alexandr Dolgopolov, of Ukraine, at the Rio Open tennis tournament in Rio de Janeiro, Brazil, Sunday, Feb. 23, 2014. (AP Photo/Silvia Izquierdo)
Rafael Nadal, of Spain, returns the ball to Alexandr Dolgopolov, of Ukraine, during their final game at the Rio Open tennis tournament in Rio de Janeiro, Brazil, Sunday, Feb. 23, 2014. (AP Photo/Silvia Izquierdo)
Rafael Nadal, of Spain, returns the ball to Alexandr Dolgopolov, of Ukraine, during their final game at the Rio Open tennis tournament in Rio de Janeiro, Brazil, Sunday, Feb. 23, 2014. (AP Photo/Silvia Izquierdo)