The older brother of Boston Marathon bomber Dzhokhar Tsarnaev changed from a roisterous boxer known for flashy outfits into someone with a bushy beard and drab clothes and obsessed by Islam, following a trip to Russia in 2012, witnesses said on Tuesday.
The U.S. Senate rejected an effort on Tuesday to require any nuclear agreement with Iran to be considered an international treaty, which would have forced any deal to be ratified by two-thirds of the Senate's 100 members.
An Indonesian firing squad executed eight convicted drug-traffickers from several countries on Wednesday, prompting Australia to recall its envoy to Jakarta and bringing an angry reaction from Brazil.
Baltimore's mayor came under criticism on Tuesday for a slow police response to some of the worst urban rioting in the United States in years with shops looted, buildings burned to the ground and 20 officers injured.
