TAWAU: A labourer fainted while five others suffered breathing difficulties after they were exposed to a gas leak, believed to be chlorine, at a construction site at Pegagau Agriculture Wakuba on Wednesday (Nov 29).

Tawau Fire and Rescue Station chief Jemishin Ujin said all of the labourers, who are foreign nationals aged between 19 and 43, were sent to Tawau Hospital.