PROVIDENCE, R.I. — A person of interest was in custody Sunday after a shooting during final exams at Brown University that killed two students and wounded nine others, though key questions remained unanswered more than 24 hours after the attack.

The attack Saturday afternoon set off hours of chaos across the Ivy League campus and surrounding Providence neighborhoods as hundreds of officers searched for the shooter and urged students and staff to shelter in place. The lockdown, which stretched into the night, was lifted early Sunday, but authorities had not yet released information about a potential motive.

See Full Page