SRINAGAR – Pakistani soldiers fired at Indian posts all along the highly militarized frontier in disputed Kashmir for a second consecutive night, the Indian military said Saturday, as tensions continued to escalate between nuclear-armed rivals following a deadly attack on tourists.

The Indian army said in a statement on Saturday that soldiers from multiple Pakistani army posts overnight opened fire at Indian troops “all across the Line of Control” in Kashmir. “Indian troops responded appropriately with small arms,” the statement said, calling the firing “unprovoked.”

There were no casualties reported, the statement added.

On Friday, the Indian army said Pakistani soldiers had fired at an Indian post in Gurez sector with small arms late the previous night.

There was no immediate comment from Pakistan, and the incidents could not be independently verified. In the past, each side has accused the other of starting border skirmishes in the Himalayan region.

India has described the massacre in which gunmen killed 26 people, most of them Indian tourists as a “terror attack” and accused Pakistan of backing it.

Pakistan denied any connection to the attack near the resort town of Pahalgam in India-controlled Kashmir, and the attack was claimed by a previously unknown militant group calling itself the Kashmir Resistance.

Tuesday’s attack in Kashmir was the restive region’s worst assault targeting civilians in years. In the days since, tensions have risen dangerously between India and Pakistan, which have fought two of their three wars over Kashmir, which is split between them and claimed by both in its entirety.

On Wednesday, India suspended a crucial water-sharing treaty that has withstood two wars between the countries and closed their only functional land border crossing. A day later, India revoked all visas issued to Pakistani nationals with effect from Sunday.

Pakistan responded angrily that it had nothing to do with the attack, and canceled visas issued to Indian nationals, closed its airspace to all Indian-owned or Indian-operated airlines, and suspended all trade with India. Nationals from both sides began heading back to their home countries through the Wagah border near Pakistan’s eastern city of Lahore on Friday.

Islamabad also warned that any Indian attempt to stop or divert the flow of water would be considered an “act of war.” The suspension of the water treaty could lead to water shortages at a time when parts of Pakistan are already struggling with drought and declining rainfall.

New Delhi describes all militancy in Kashmir as Pakistan-backed terrorism. Pakistan denies this, and many Muslim Kashmiris consider the militants to be part of a home-grown freedom struggle.