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.

India has closed its airspace to flights operated by Pakistani airlines in a retaliatory move following the Pahalgam terror attack. The ban will be in effect until May 23 and applies to all aircraft registered in Pakistan,