http://wjhl.com/2017/10/04/breaking-emergency-crews-respond-to-report-of-explosion-at-eastman
Live news stream and video of explosion.
Businesses in the area being advised to shut down air conditioning so ‘nothing’ gets sucked in from the outside.
"Around 10:00 a.m., Eastman experienced a process upset in the coal gasification area of its Kingsport manufacturing site. The upset created a loud noise and a visible plume. No one was injured."