President Donald Trump has called for the quick deportation of illegal immigrants who "invade" the US, lamenting that the current immigration system is "unfair" to those who came legally to America.

Indian-Americans, most of whom are highly skilled and came to the US mainly on H-1B work visas, are the worst sufferers of the current immigration system which imposes a seven per cent per country quota on allotment of green cards or permanent legal residency. Trump said in a tweet, "We cannot allow all of these people to invade our Country. When somebody comes in, we must immediately, with no Judges or Court Cases, bring them back from where they came. Our system is a mockery to good immigration policy and Law and Order. Most children come without parents..."