Over 500 Pakistanis, including 116 children, have been evacuated from war-torn Yemen by a special Pakistan International Airlines flight. The PIA flight carrying the stranded Pakistani nationals touched down at the Karachi airport late Sunday night with 326 of the 502 evacuees than being put on flights to Islamabad. Prime Minister Nawaz Sharif had ordered authorities to evacuate over 3,000 Pakistanis stranded in Yemen after security situation worsened in the Gulf country.