Pakistan said on Wednesday it had "credible intelligence" that India was planning an imminent military strike and vowed to retaliate, as worries of spiralling conflict grew over a deadly attack in Kashmir.

Relations between the nuclear-armed neighbours have plummeted since New Delhi blamed its arch-rival Pakistan for last week's assault on tourists in Pahalgam in Indian-administered Kashmir, the deadliest attack on civilians there in a quarter of a century.

Indian Prime Minister Narendra Modi gave the military "complete operational freedom" to respond to the attack during a closed-door meeting on Tuesday, a senior government source told AFP.

Pakistan's government has denied any involvement in the shooting, and information minister Attaullah Tarar said overnight that "any act of aggression will be met with a decisive response".

"Pakistan has credible intelligence that India intends to launch a military strike within the next 24 to 36 hours using the Pahalgam incident as a false pretext," Tarar said in a statement early on Wednesday.

However, Foreign Minister Ishaq Dar also said Pakistan........

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