Pakistan's armed forces have started "retaliation" against "Indian aggression," according to security sources quoted by Pakistani state broadcaster PTV on Saturday morning.
The operation was reportedly called "Bunyan-un-Marsoos" — meaning a concrete structure or firm foundation, reports the Deutsche Welle.
The Pakistani military itself said it had launched a "military operation" targeting "multiple locations in India."
It claimed to have hit a missile storage facility and two air bases in Pathankot in north-western India and Udhampur in Kashmir.
The Indian defense and foreign ministries are yet to comment on either the alleged Indian strikes or the reported Pakistani response.