Crews are examining the scene.
UPDATED, 3:21 p.m. with information from Needham Fire Chief Paul Buckley: One employee of the company has been transported to the hospital with non-life-threatening injuries, according to Buckley. The chief told Needham Patch the injuries were sustained in a small explosion in the building. --------------- Needham firefighters are responding to a report of an explosion at 135 Crescent St., according to a news alert. While no details are available, crews are at the MDL (Microwave Development Laboratories), but one crew has already left the scene, according to Manning, who is at the scene. No smoke is visible, she said. Stay tuned to Needham Patch for more information as it becomes available.