An explosion and fire inside Sig Sauer’s factory in Exeter seriously injured an employee Monday afternoon.
Exeter fire officials responded to the facility at 18 Industrial Drive shortly before 4 p.m. following an explosion involving stored titanium. The injured worker suffered burn injuries and was transported via helicopter to a Boston-area hospital, according to Exeter’s fire department.
Fire crews and Sig Sauer’s own safety crews extinguished fires stemming …