Indian Prime Minister Narendra Modi vowed on Thursday to pursue, track and punish terrorists and their backers in a strong reaction to a deadly militant attack on tourists in Kashmir, where police have identified two of the gunmen as Pakistani.

India's Prime Minister Narendra Modi says the gunmen behind a terrorist attack on tourists in the Kashmir region "will not be spared!"

The Pakistani government said it did not want an escalation, but in the wake of a deadly attack in Indian-controlled Kashmir by unidentified militants, analysts warned of an unpredictable situation.