An Indonesian agency says there are Hundreds `` hot spots '' in Singapore . Fires have created thick blankets of haze over parts of National Disaster Mitigation Agency , and South Sumatra and South Sumatra . The worst incidence of fires and haze was in 1997 to 1998 . Aircraft are using cloud-seeding techniques in hopes rain will douse fires .
An Indonesian agency says there are Hundreds `` hot spots '' in Singapore . Fires have created thick blankets of haze over parts of National Disaster Mitigation Agency , and South Sumatra and South Sumatra . Aircraft are using cloud-seeding techniques in hopes rain will douse fires .