from RT:

Millions of people are affected; a senior official says the electricity supply will be restored in 12 hours

Large parts of Pakistan and all of its major cities have been left without power this morning due to a breakdown of the national grid system. Energy Minister Khurram Dastgir Khan told Geo News that power will be fully restored within 12 hours.

The affected areas include the capital, Islamabad, as well as Karachi, Lahore, Quetta, and Peshawar. According to the media, the majority of the population of 231 million people have been impacted by the outages.