Four trains are currently stranded at both ends of the Bangabandhu Bridge
The fire started at the factory’s Fresh Soybean Oil processing unit around 5:30pm Wednesday.
The seven injured workers had been taken to the Dhaka Medical College Hospital, said Narayanganj Additional Superintendent of Police Md Zakaria.
Four of them had jumped into the Megna River which flows alongside the factory. They were rescued and sent to the hospital, said Sonargaon Police Station OC Monjul Kader.
Meghna Group officials have refused to speak on the incident. Reporters were not allowed inside the factory after the fire.