President Donald Trump's shakeup of his national security team. | Judge rules Trump cannot use the Alien Enemies Act to deport Venezuelan migrants.

Lawyers, teachers and politicians were among thousands of demonstrators across the U.S. on Thursday protesting policies on immigration, the targeting of lawyers and judges and the role of wealthy decision-makers under President Donald Trump's administration.

From worker rights rallies to marches for social justice, activists around the globe will kick off May Day demonstrations on Thursday. In some countries, it’s a public holiday honoring labor, but activists planning marches in the United States say much of their message is about fighting back against President Donald Trump’s policies