A girl carries furniture from her flooded house during heavy monsoon rains in Karachi on Wednesday. AFP
People navigate a flooded street in Lahore. AP
Authorities said the deaths occurred largely due to electrocutions caused by ill-maintained power lines even as large segments of the city suffered hours-long outages that lasted up to a day in some areas.
According to the Edhi Foundation — which oversees a vast rescue services operation in Karachi — up to 15 people were killed during the recent bout of flooding.
However government hospitals in the city said only 12 people had died in recent days in flood-related incidents.
An auto-rickshaw is submerged by floodwaters in Karachi on Wednesday. AFP
Outrage simmered in the city after a video went viral on social media showing two children who had been allegedly electrocuted by a power line that had fallen into a puddle.
"The electricity company must be held responsible for the children's death as safety and security is its responsibility," said Faisal Edhi, who heads the Edhi Foundation.
Dr Seemi Jamali — director of the state-run Jinnah Postgraduate Medical University — confirmed that nine people were "brought dead" to the hospital because of electrocutions.
Another three bodies, including the children from the video shared online, were taken to the city's Abbasi Shaheed Hospital, a doctor on duty at the facility confirmed to AFP.
A family sit outside among their belongings after floodwaters submerge their house in Karachi on Wednesday. AFP
The megacity of some 20 million has been inundated with heavy rains since Monday, flooding residential areas and bringing large swathes of Karachi's perennially traffic-congested streets to a halt.
"We are living without electricity and water for the past three days and no official rescue came," said 24-year-old resident Qaiser Khan.
Hundreds have been killed across South Asia this monsoon season and tens of thousands displaced by the heavy rains.
While the annual rains are crucial to replenishing water supplies in the impoverished region, they often turn deadly.
Torrential rains, which was recorded as high as 192 mm per hour, caused urban flooding by inundating low-lying areas and main thoroughfares in the city, trapping people inside their houses and disrupting road and railway traffic, local Samaa TV reported.
The heavy rainfall began on Monday and continued on Tuesday and sewage flooded most of the streets in Karachi, the capital of southern Sindh province.
The death toll was expected to rise as roads and streets were still flooded in some parts of the city, making it impossible for rescuers to reach the victims, Anwar Kazmi from the Edhi rescue agency said.
Kurdish police spokesman Ali Al Hassan said the car bomb was detonated by "remote control" near a school, "killing a member of our (police) forces".
Ten weeks of demonstrations have plunged the financial hub into crisis with images of masked black-clad protesters engulfed by tear gas during street battles with riot police stunning a city once renowned for its stability.
The ministry said another Palestinian was hospitalised in the shooting that came after the Israeli army said an attack helicopter and tank had fired at "armed suspects" along the barrier that separates Israel from Gaza.