The reliability of clinical tests used to win approval for some medicines -- particularly generic copies of original drugs -- could be in doubt due to an apparent software glitch that may mean data was calculated incorrectly.
Hundreds of people, some wearing surgical masks and armed with crowbars and cutting tools, tore down protest barriers in the heart of Hong Kong's business district on Monday, scuffling with protesters who have occupied the streets for two weeks.
China has detained a prominent scholar who helped blind dissident Chen Guangcheng flee to the United States two years ago and has banned books by eight writers in an escalating crackdown on dissent.
An Iranian police plane crashed late on Saturday killing four high-ranking officers investigating the deaths of police in a province that borders Pakistan and Afghanistan, state news agency IRNA reported.
