Protesters say T shutdown escalated confrontation with police

Aislinn Brophy and her roommate had felt good about Sunday’s Boston protest.  In the warm afternoon sun of the last day in May, Brophy and tens of thousands of others marched from Nubian Square in Roxbury to the State House, holding signs and shouting chants to protest systemic racism and the death of George Floyd.  Organizers had pressed protesters to remain peaceful, announcing it to the crowd several times and handing out informational flyers, Brophy said. Organizers stressed to people of…