Men wading through thigh-deep water just north of Bangkok
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Thailand flood sanitation fears

Sanitation in Thailand is becoming an increasing concern for many people stuck in the areas worst affected by serious flooding.

Sanitation in Thailand is becoming an increasing concern for many people stuck in the areas worst affected by serious flooding.

More districts in the northern suburbs of Bangkok have been put on alert as the authorities struggle to control the flow of water coming into the city.

Rachel Harvey reports from Bangkok.