Washington, March 20 -- US federal immigration authorities have detained a Georgetown University researcher studying and teaching on a student visa in Virginia in the United States, Politico reported. The detention comes amid the Trump administration's crackdown on student activists whom the government accuses of opposing US foreign policy, Politico reported, citing court papers.

Masked agents arrested Badar Khan Suri, an Indian national and postdoctoral fellow, outside his home in Arlington's Rosslyn neighbourhood in Virginia on Monday night, his lawyer said in a lawsuit requesting his immediate release.

According to the lawsuit, the agents identified themselves as being with the US Department of Homeland Security and told him the gove...