Afghanistan, Nov. 21 -- India is investigating suspected toxic contamination in a cough syrup blamed for the deaths of 24 children, raising renewed alarm over the country's pharmaceutical safety standards.

Indian authorities are investigating whether contaminated raw materials caused a fatal batch of cough syrup that has killed at least 24 children in recent months, according to officials cited by Reuters. The case has renewed scrutiny of India's pharmaceutical safety record, already under global pressure after a series of deadly poisoning incidents abroad.

Health and drug-safety officials in Tamil Nadu say they suspect a solvent used in the "Coldrif" brand syrup was tainted with diethylene glycol (DEG), a highly toxic industrial chemical...