Britain's grocery industry watchdog opened an investigation on Thursday into Tesco's relations with its suppliers, dealing a further blow to the battered reputation of the country's biggest supermarket.
Dr. Margaret Hamburg, commissioner of the U.S. Food and Drug Administration (FDA), who for almost six years has overseen public health initiatives ranging from tobacco control and food safety to personalized medicine, disease control and drug approvals, is stepping down, according to a person briefed on the matter.
The Islamic State has killed three Chinese militants who joined its ranks in Syria and Iraq and later attempted to flee, a Chinese state-run newspaper said, the latest account of fighters from China embroiled in the Middle East conflict.