Many Green Cards and temporary visas holders in the US are expressing worries that their documents may be terminated in the wake of Trump's crackdown on illegal immigrants and uproar over the arrest of Palestinian protester Mahmoud Khalil.

The Trump administration – after accusing Columbia University graduate and pro-Palestinian activist Mahmoud Khalil of being a Hamas sympathizer without providing evidence – now says Khalil’s deportation is justified because he did not reveal connections to two organizations in his application to become a permanent US resident,