Pakistan Air Force scrambled jets over fears of Indian introusion in Karachi?

No. These reports are incorrect. Indian media is reporting that Pakistan Air Force scrambled jets for fear of a Balakot like attack in Karachi.

It claimed that pakistani jets were flying during a rare blackout in the port city.

The media was spreading fake news on the basis of tweets which it said were posted by some Pakistani users.

Officials in Karachi denied Indian media claims saying there was no blackout in the post city on Tuessay .

They said no rare PAF flights were noticed as claimed by the Indian media.