According to the media outlet, the police arrested the factory manager in charge and two foremen. The suspects were taken to the police station.
The blast rocked a fireworks factory located not far from the town of Hendek on Friday. According to provincial governor Cetin Oktay Kaldirim, there were between 150 and 200 workers inside the factory at the moment of the blast.
Four people died, 114 workers were hospitalised, and three remain missing. Some 110 tonnes of fireworks were reportedly stored in the factory's warehouse.
The investigation into the incident is underway.