Pakistan, Sept. 6 -- Normal rainfall in Karachi in the month of August is 68 millimetres. This year it has recorded 587.5 millimetres according to Meteorological Department. In one day the city received more than 23 centimetres of rain, the highest on record in a single day.

Karachi has been hit by natural disasters before, yet the effects of the disaster this time have been far more serious and widespread. The scale of disaster is much greater this time and the unprecedented spell of rain worsened the situation. The city received the heaviest rainfall in a single day in 53 years. Roads were inundated with water and, in many areas, houses were flooded as well. Power supply and mobile signals were disrupted for days due to damage to infra...