Mahmoud Khalil, the Columbia University student and pro-Palestinian activist who was detained by U.S. immigration authorities for more than 100 days, is seeking $20 million from the Trump administration over what he says was his false imprisonment and malicious prosecution.

A growing number of migrants in the US are heading north to seek asylum, even as Canada adopts increasingly restrictive immigration policies of its own.

Palestinian activist Mahmoud Khalil, whose role in campus protests against Israel led to his detention for over three months in immigration jail, is now seeking $20 million in damages from the Trump a

The law, enacted this year, made it a crime for unauthorized migrants to enter the state. Challengers say immigration is a federal matter.