Pakistan's drug regulator said on Monday it had temporarily banned the use of a cancer medication distributed by Swiss pharmaceutical company Roche pending an investigation, as 12 patients went blind after being injected with the drug. In a statement, the Drug Regulatory Authority of Pakistan (DRAP) said the health authorities in Punjab, the most populous province, had launched the investigation into the drug Avastin, which is licensed for use in Pakistan. Javed Akram, the province's Minister for Specialised Health, said police were questioning two men they believe to be the drug...