Earlier in the day, at Northeastern in Boston, protesters had set up an encampment on the campus’s Centennial Common this week that drew more than 100 supporters. The administration had asked the protesters to leave, but many students did not.

Around dawn on Saturday, Massachusetts State Police officers arrived at the encampment and began to arrest protesters, putting them in zip-tie handcuffs and taking several tents down. They said they had arrested 102 protesters. It was unclear how many of those arrested were students, but the university said students who showed their university IDs were being released.