India, Oct. 23 -- Two workers died of asphyxiation following an alleged gas leak at a pharmaceutical factory in Telangana's Sangareddy district on Friday morning, police said.

The incident took place at a popular pharmaceutical manufacturing unit at Gaddapotharam village of Jinnaram mandal. The plant manufactures active pharmaceutical ingredients and drug intermediates, and also takes up contract manufacturing services.

The workers were identified as Sudarshan and Balaji from Andhra Pradesh. The full names and the ages of the deceased have not yet been given.

It is not immediately known how many workers were there at the plant.

"We have launched an investigation to ascertain how the accident occurred and what caused the gas leak," a p...