TYLER — Smith County has become the latest East Texas County to issue a burn ban. Smith County Commissioner’s took that action on Tuesday morning. According to our news partner KETK, Cherokee County issued a band, prohibiting outdoor burning, 24 hours earlier. Numerous East Texas counties have been placed under burn bans in the last several week, after a long period of extreme heat and very little rain. No outdoor burning of any kind is allowed while a county is under a ban.