The huge fire at the Summit Footwear shoe factory in Samut Prakan on Tuesday night is believed to have been caused by an electrical short circuit.
The factory, which makes Aerosoft footware, is on the outbound side of Bang Na - Trat Highway, and the blaze started about 5.30pm as hundreds of workers were ending their shift. They escaped through the fire exits.
Dozens of fire engines went to fight the blaze believed to have begun on the ground floor of the six-storey building.
Police closed the frontage road as firefighters battled the flames that shot up through the building.
Fire crews took more than five hours to control the blaze. Damage was initially estimated at 20 million baht.
Officials blamed the fire on an electrical short circuit.
