Rescuers tunneling Friday into the rubble of the eight-story building that collapsed Wednesday discovered another 50 people trapped on what remained of its third floor, an official said.

The sad fact behind the building collapse in Bangladesh in which hundreds died is that it isn't an isolated problem. The story will leave the headlines at the end of this week but on Monday hundreds of thousands of workers will return to factories that are frankly further tragedies waiting to happen, and will keep producing clothes for high street brands.

U.S. and South Korean forces take part in joint amphibious landing drills in South Korea. CNN's Jim Clancy reports

Troubled relations between North and South Korea suffered a fresh blow Friday after Seoul decided to withdraw all its remaining citizens from the manufacturing zone jointly operated by the two.

U.S. and South Korean forces take part in joint amphibious landing drills in South Korea. CNN's Jim Clancy reports

With Thursday's news that U.S. intelligence shows evidence that sarin gas has been used in Syria, all eyes are now on President Obama, who said in August that any sign of chemical weapons use in the country's civil war would be "a red line for us."

A fire tore through a psychiatric hospital near Moscow, killing 38 people, Russian officials said Friday.