World renowned actress Priyanka Chopra, also Unicef`s global Goodwill Ambassador, says as a global citizen, US President Donald Trump`s recent immigration ban - which she described as a "political witch hunt" - has deeply affected her.In a blog post on the professional networking website, she wrote, "All of the `banned` countries are places where a lot of Unicef work is going on, where children are suffering the most.  Please join me in making our voice stronger so that globally, our children are not discriminated against on the basis of their religion and do not have to bear the brunt of a political witch hunt, she adds. Priyanka is currently in the US to shoot the second season of her popular TV show `Quantico`.