Dhaka, Oct. 14 -- Firefighters brought the fire that broke out at the Drug International Ltd factory in Cherag Ali area of Tongi, Gazipur, under control after four hours of efforts on Wednesday afternoon.

Twenty-one firefighting units brought the blaze under control around 1:35 pm, Brigadier General Sultanul Afrin Zunaid, director general of the Fire Service and Civil Defence (FSCD) told reporters near the factory.

No casualties have been reported so far but a firefighter suffered from respiratory problem while working inside the factory, he said.

"There are still some pockets of fire inside the factory and we need more time to extinguish it completely," he added.

The fire originated on the third floor of the factory's four-storey bui...