The sons of the imprisoned former leader of Pakistan Imran Khan told CNN they fear for their father's health, claiming authorities in the South Asian country are preventing them from seeing him. They must comply with the UN Working Group's opinion, and they must release my father,” Kasim said during the UNHRC’s 61st session. Imran Khan's phone call will be arranged on Eid Day with his children as done in the past as well. His children are welcome to visit Pakistan on their NICOP Cards as Pakistani citizens for which no visa is required. “His children are welcome to visit Pakistan on their NICOP cards as Pakistani citizens, for which no visa is required.