Three labourers die in factory's waste plant.

FAISALABAD -- Three labourers died from asphyxiation when they went into a waste water plant of a beverage factory in Sahianwala on Tuesday.

Reports said a worker went into the waste treatment well of the company for cleaning purpose. However, the worker did not return which panicked other workers who rushed to rescue him.

Five more workers entered the well, however, three workers did not return alive and the condition of three...