Demonstrators hold signs and chant in Copley Square protesting U.S. President Donald Trump's executive order blocking visitors from seven predominantly Muslim nations in Boston, Massachusetts, U.S., on Sunday, Jan. 29, 2017. Court decisions temporarily blocked the U.S. administration from enforcing parts of Trump's order after a day in which students, refugees and dual citizens were stuck overseas or detained and some businesses warned employees from those countries not to risk leaving the United States. Photographer: Scott Eisen/Bloomberg via Getty Images
