At least 21 people have died in the space of two days in the first spell of monsoon rains to hit Pakistan this year.
The worst affected area was Sindh, with Karachi registering 54mm of rainfall over 48 hours.
So far, seven people including five boys have died in rain related incidents in Karachi since the spell first started on Wednesday, 28 June.
In more rural areas two cases of electrocution as a result of the rains were reported in which five people died.
Local sources say many regions have gone without electricity due to large-scale power outages.
The Pakistan Meteorological Department said more rain is expected in various areas throughout Friday and possibly into the weekend.