New Delhi, April 16 -- Sounding a note of caution to immigrants, including H-IB and Green Card holders, US Secretary of State Marco Rubio has said that US visas are a privilege and not a right, while pledging strict enforcement of visa laws under the Donald Trump administration.

Rubio reaffirmed a tough stance on America's visa policy and asserted that entry into the United States is reserved for those who demonstrate respect for American laws and values, reinforcing Washington's commitment to stricter immigration standards.

His statement in an interview to a US private television channel came amid a nationwide crackdown on pro-Palestine protests, particularly on college campuses, where foreign students have come under scrutiny for allege...