Dozens of Pakistani nationals living in India are heading to the main land crossing between India and Pakistan, following New Delhi's decision to order almost all Pakistani citizens to leave the country after last week's deadly attack in Indian-controlled Kashmir.

Pakistan on Wednesday said it has credible intelligence that India intends to launch military action soon, as tensions between the nuclear-armed neighbours escalate following a deadly attack on tourists in Indian Kashmir.

By Shivam Patel and Fayaz Bukhari SRINAGAR, India (Reuters) -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,