Indonesia is facing its worst wildfire season in a decade. The BBC's Liza Tambunan is in Central Kalimantan to explain why the situation has become so severe. This was reported by Qazaqyia.kz citing BBC News.

A toxic haze has been choking millions of residents in the region and has spread to neighbouring countries such as Singapore and Malaysia.

So why has it been so bad? Tambunan explains what peat is and why peatland fires are so difficult to contain.

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