Heavy rainfall on Thursday battered the city and flooded the streets, a day after initial light showers turned the city's weather pleasant.
The rain related incidents claimed five lives in the metropolis, while electricity supply was suspended to several areas of the city.
While early morning rain caused inconvenience to many, it also became a source of joy for some who arrived at the beach.
Reports of rainfall were received from Saddar, Gulistan-e-Jauhar, Gulshan-e-Iqbal, Shahrah-e-Faisal, Airport, Gulshan-e-Hadeed, Malir and other areas. The highest amount oif rainfall was recorded at 97mm in North Karachi.
At least 13 people, including four children, died after the metropolis was battered with heavy rainfall on Thursday which saw Army contingents being deployed to assist in rescue efforts.
A breach in Thado dam, a rainwater retention dam situated on Malir river, flooded two nearby villages and Saadi Town.
PAF Base Faisal also issued an alert pertaining to flood threat in the area, the base is situated next to Malir river.
The situation prompted the deployment of Pakistan Army and Sindh Rangers contingents to carry out rescue efforts in the affected localities.
Pakistan Army deployed 15 teams for the rescue work, according to Inter-Services Public Relations (ISPR), added the teams are working alongside civil administration for dewatering of areas.
Dewatering efforts were under at Liaquatabad underpass, Nazimabad underpass, Surjani Town Sector 4, Yousuf Goth and Manghopir Ijtemagah area, the ISPR statement added.
The Pakistan Air Force also allocated two helicopters and an aircraft for rescue work to the Sindh government.
The highest amount of rainfall was recorded at 130.3mm in Nazimabad, followed by Masroor base which received 125mm of rain. PAF Faisal base received 41mm of rain while Gulistan-e-Jauhar received 37mm of rain.
Offices witnessed low attendance due to the downpour and subsequent inundation of major thoroughfares and streets. Private schools also announced a holiday late Wednesday night.
The provincial education department too made a late announcement of schools' closure across the province.
The northern areas of Karachi were the worst affected, with rainwater flooding homes and other structures in low-lying areas.
The downpour not only resulted in closing down of around 90 per cent of the city's markets but also led to a halt in traffic on the link road of National Highway and Super Highway as the Goods' Transport Association decided its vehicles would stay put till the situation improves.
Traders suffered losses worth Rs100 million, according to All Karachi Trade Union Chairman Ateeq Mir.
Blaming the government, he said that the losses occurred due to the local government being woefully unprepared.