Brazilian President Dilma Rousseff continues to broaden her advantage ahead of Sunday's election, but it is not clear which of her rivals she will face in an expected second-round runoff, a new poll showed on Friday.
Police in Ferguson, Missouri arrested several people, an official said on Friday, following another night of protests over the police shooting of a black teenager in August.
When Islamic State fighters tried to storm the Tigris River town of Dhuluiya north of Baghdad this week, they were repelled by a rare coalition of Sunni tribal fighters inside the town and Shi'ites in its sister city Balad on the opposite bank.
Joining a cry from law enforcement officials concerned about data encryption on Apple's newest operating system, U.S. Attorney General Eric Holder said on Tuesday that officers should not be blocked from the information they need to investigate a crime.
