Pakistan has warned it will "not de-escalate" a spiralling conflict with India, and blamed New Delhi for bringing the two nuclear-armed neighbours closer to a full-blown war, with the death toll from days of violence crossing 50.

The South Asian countries have exchanged fire since India launched air strikes on Pakistani territory on Wednesday, saying they were targeting "terrorists" after a deadly attack on tourists in Indian-administered Kashmir last month.

On Friday, the third day of tit-for-tat exchanges, the Indian army said it had "repulsed" waves of Pakistani attacks using drones and other munitions overnight, and gave a "befitting reply".

Pakistan's military spokesman denied that Islamabad was carrying out such attacks, and vowed revenge for the initial Indian strikes.

"We will not de-escalate -- with the damages they did on our side, they should take a hit," said Lieutenant General Ahmed Sharif Chaudhry.

"So far, we have been protecting ourselves but they will get an answer in our own timing."

The clashes are the worst between the two countries -- which have fought three full-scale wars since gaining independence from the British in........

© International Business Times