Supreme Court Justice Samuel Alito slammed his colleagues as having "hastily and prematurely granted unprecedented emergency relief."

In a late-night order on Saturday, the U.S. Supreme Court blocked the Trump administration’s efforts to deport Venezuelans using the Alien Enemies Act as a justification for the immediate removal of apparent gang members.

The case raises questions about the Trump administration's adherence to limits set by the Supreme Court. It carries the risk of a significant clash between the two coequal branches of government and potentially a full-blown constitutional crisis.