At least five people were injured after a hole fire box had toppled toward the public in the local bulls.
An explosion of pyrotechnic mills, at the Square Square in Salvaterra de Mago, made at least five injured. There are about 20 operational.
The incident will have occurred at 10:40 pm on Saturday when a free sale fireworking fire box fell toward the people who were at the scene.
According to Paulo Dionísio, commander of Salvaterra de Magos Volunteer Firefighters, two injured were transported to a hospital unit, while three were assisted on the scene.
On site will be about 20 operational, supported by about 10 vehicles.