fire from a burning food shop spread to an elevator of the nut bts station on july 13, emitting thick smoke that forced trains to skip the station for nearly half an hour. trains were ordered not to stop at on nut at 7:34 am to prevent passengers from choking as the smoke was still dense after firefighters put out the flames, said anat arbhabhirama, direction of the bangkok mass transit system. normal service resumed at 7:55 am.