Ukraine's president accused Russian-backed separatists in the east of failing to respect a ceasefire with Ukrainian troops and called for further sanctions on Russia in comments to a German newspaper to be published on Monday.
Iraqi Kurdish authorities said on Saturday they had evidence that Islamic State had used chlorine gas as a chemical weapon against their peshmerga fighters in northern Iraq in January.
As the hunt for suspects in the shooting of two police officers in Ferguson, Missouri, extended into a third day, activists took the first steps on Saturday to force the mayor out of office while residents awaited signs of progress in the investigation.
A question looms over the trial of accused Boston Marathon bomber Dzhokhar Tsarnaev as federal prosecutors enter the final stages of their case against him: Will he testify in his own defense?
