The worst electricity outage in Pakistan in winter season.
Pakistani government began restoring the major grid breakdown
Electricity restore in some area of Karachi, Balochistan and South Punjab
An inquiry has been launched into the outage, which began at around 7:00 a.m. local time (0200 GMT) and has so far lasted more than 12 hours during the peak winter season.
Power was beginning to return in parts of the capital Islamabad and the southwest province of Balochistan, said Khurram Dastgir.