An explosion at a ball bearings plant in the US state of New Hampshire has injured at least 15 people.
Wmur.com reports that the explosion took place at New Hampshire Ball Bearings in Peterborough. According to Police, two of the injuries were serious, and those two were flown from Monadnock Community Hospital to another facility.
NHBB officials said they were told the injuries were not life-threatening.
According to Police, the explosion happened on the first floor of the plant, and the windows were blown out.
About 100 firefighters were called to the scene; however there was no smoke or flames showing from the building.
According to centredaily.com, the southwest New Hampshire plant employs 700 people. According to a company spokeswoman, it was unclear how many people were inside when the explosion happened but there are usually about 450 working around that time.
New Hampshire Ball Bearings' corporate headquarters are in Chatsworth, California. It's a division of Japanese company Minebea.
Peterborough, the town where the explosion occurred, was the inspiration for Thorton Wilder's play "Our Town".