An explosion caused an evacuation at Eglin Air Force Base on Florida's Panhandle Wednesday.
Officials at the base near Fort Walton Beach said the explosion happened in a lab around 10 a.m. The surrounding area was evacuated but no injuries were reported.
"The source of the smoke has been identified as methyl chloride. Avoid contact with the smoke if possible," the base tweeted.
The cause of the explosion is under investigation.