GRASS FIRE ORIGIN IS UNKNOWN. FIRE WAS NOTICED AT 1905 HOURS AND EXTINGUISED AT 2035 HOURS. EE CALLED 911, HE WORKS FOR A-3 AREA. 1/2 ACRE SLIGHTLY BURNED; PROBABLE TRESPASSER OR TRESPASSERS S MOKING. A-3 BUFFERED ZONE LOCATED NEAR FM244, CARLOS, TEXAS.