The former chairwoman of China's Sanlu dairy was sentenced to life in prison and three others received death sentences ...

(CNN)-- The Food and Drug Administration has begun blocking the import of milk products from China in an effort to ensure that products contaminated with melamine do not enter the U.S. market.

Traces of melamine were found in nearly 12 percent of milk powder products that were tested in the country, Chinese authorities confirmed. This is one of the biggest food contamination scandals ...

Authorities believe suppliers added melamine, which is rich in nitrogen, to watered-down milk to deceive quality tests for protein. Another Cadbury spokesman, reached through the company's London ...

Zhang Yujun, who produced and sold melamine-laced "protein powder" in the China tainted milk scandal, was convicted of endangering public security and sentenced to death by a local court Thursday.

Scientists and medical researchers have been invited to contribute to the ongoing research on melamine, a toxic substance found in milk products originating in China. The Ministry of Health has ...