But later , the claim was refuted by Indonesia , Singapore and Malaysian health authorities .
According to a 2016 Harvard - Columbia University study , the haze caused more than 100,000 additional deaths , most of them ( > 90,000 ) in Indonesia .
Later , the claim was refuted by Indonesia , Singapore and Malaysian health authorities .
According to a 2016 Harvard - Columbia University study , the haze caused more than 100,000 additional deaths , most of them ( > 90,000 ) in Indonesia .