It took a team of over 50 firefighters over 30 minutes to control a three-alarm structure fire at a northeast Charlotte plant Wednesday morning. According to Charlotte Fire, firefighters responded to a fire at a Dow Chemical plant on Orr Road a little before 8 a.m. The blaze was contained in about 40 minutes, according to fire officials. No injuries were reported. The cause of the fire is still under investigation. Hazmat crews were called to the scene to assist with the fire. Charlotte-Mecklenburg Police closed Orr Road in a half-mile radius of the fire in both directions.