Air pollution along the Phimai-Samrit road in Nakhon Ratchasima worsened on Saturday after a brush fire was triggered by a discarded cigarette, local officials say.
After being alerted to the fire in Phimai district on Saturday morning, officials from the Department of Disaster Prevention and Mitigation rushed to the scene and found it had spread over 300 square metres of dried grass along the roadside.
