ALMOST twice as many hotspots have been detected in Sumatra as the same time last year and the year before.
Satellite images on Tuesday showed 2,248 hotspots in Sumatra, compared with 1,229 from the same time last year and 1,218 in 2007. It even surpassed the 2,031 hotspots in 2006, the last time that smoke haze hit Singapore hard.