RALEIGH, N.C. — Raleigh fire crews were called to a North Carolina State University College of Textiles building following a small explosion Friday afternoon.
Fire crews were called to a lab on Centennial Campus just before 1 p.m.
Researchers accidently combined nitric acid with another chemical, which released potentially harmful fumes.
The building was evacuated until the lab was ventilated.
No one was injured.
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