This story has been updated.
7:15 p.m. Clashes between demonstrators and federal agents continued into Tuesday evening at the downtown federal building.
More than an hour after the end of a somber vigil to honor Alex Pretti, the intensive care unit nurse killed by federal agents in Minneapolis, some 200 protesters at Eugene’s federal building downtown continued with loud chants. At least two dozen uniformed officers approached them in what appeared to be a show of force…