Smoke Fills Houston Area School Bus, Children Sent to Hospital - kcentv.com - KCEN HD - Waco, Temple, and Killeen

(KCEN) -- Smoke filled a school bus in Humble, near Houston, this morning sending 18 kids to the hospital.

Around 8 a.m. transmission fluid leaked onto the engine causing heavy smoke.

The 18 children were taken to the hospital with apparent breathing problems.

Those treated range in age from five to 12-years-old.