Chinese police shot and killed six suspects who attempted to set off an explosive device in China's Xinjiang region, according to state media. Years of violence between ethnic majority Han Chinese and the Muslim Uighur people have troubled this region. Chinese authorities blame Uighur separatists for the bloodshed. Uighurs say the unrest is rooted in discriminatory policies that aim to dilute their culture and repress religious practices

On the face of it Brazil looks like a melting pot: half of the population is either African-Brazilian or mixed-race. But is its reputation of a "racial democracy" a mirage? Black Brazilians earn significantly less money than their white counterparts, go to school less, and make up a larger share of the prison population. As Brazil progresses in many areas, is racial inequality simmering beneath the surface?