Thousands have already been affected by the downpours and aid workers fear that the death toll of 27 is likely to grow significantly higherThe toll from flash floods and landslides in Burma after days of torrential rain is likely to spike, the UN has warned, as monsoonal downpours brought misery to thousands across the region.At least 27 people have been killed and more than 150,000 affected by flooding in Burma in recent days with the government declaring the four worst-hit areas in the centre and west of the country as “national disaster-affected regions”.