Siak Regency

Firefighters Attempt To Extinguish Forest Fires...SUMATRA ISLAND, INDONESIA - JUNE 27:  A woman walks trough haze as a forrest fire burns bushes and fields June 27, 2013 in Siak Regency, Riau Province, Indonesia. The fires on Sumatra have caused record smog in Malaysia and Singapore. Sumatra has stepped up efforts to fight the fires to relieve the conditions. Eight farmers have been arrested for setting the fires on Sumatra Island.  (Photo by Ulet Ifansasti/Getty Images)

Ulet Ifansasti/Getty

A woman walks through haze as a forest fire burns bushes in Siak Regency, Riau Province, Indonesia on Thursday. The fires in Sumatra have caused record smog in Malaysia and Singapore. Sumatra has stepped up efforts to fight the fires to relieve the conditions. Eight farmers have been arrested for starting the fires. Read more