Pakistan said Wednesday it had “credible intelligence” that India is planning to attack it within days, as Pakistani nationals headed for the border to comply with New Delhi’s orders to almost all Pakistani citizens to leave the country following last week’s deadly attack in Indian-controlled Kashmir.

Tensions between India and Pakistan have escalated further after a top Pakistani official claimed early Wednesday to have “credible intelligence” that New Delhi will carry out a military action against Islamabad within the next two days.

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 count