According to the police and fire department, around 2:55 pm on the 10th, there was a report that there was a "gas explosion" at a factory in Nihonmatsu City, Fukushima Prefecture, and there was information that four people were injured.
Police and firefighters are investigating the situation.
According to Nihonmatsu City, the fire is occurring at a factory of a company called "Tohoku Tokai", where about 150 people are working and making products such as gas lighters and cassette cylinders.
A picture from above
Footage taken by an NHK helicopter from above Nihonmatsu just after 4:00 pm shows black and white smoke rising high from the building.
In addition to the orange flame rising inside the building, it was seen that broken window glass and metal struts were scattered outside.
Firefighters are using hoses from outside the building to extinguish the fire.