Sangareddy, June 30 -- Director General of the Telangana State Disaster Response and Fire Services, Y Nagi Reddy, on Monday stated that rescue officials are currently unsure of the number of people trapped under the debris following the blast at the Sigachi Pharma Company in Sangareddy.

He added that, according to industrial experts, the blast occurred during the air handling and drying of Microcrystalline cellulose.

"Today, at around 9.48 am, there was a blast in the drying unit at Sigachi Pharma Company. The explosion led to a fire. A total of 12 people have died and 35 are injured in the incident," Nagi Reddy told reporters after visiting the accident site.

"As per industrial experts, the incident happened during the air handling/dr...