PROVIDENCE, RI — Providence, Rhode Island, authorities confirmed that a person of interest is in police custody after at least two students were killed and nine others were injured in a mass shooting at Brown University .

"The people of Providence can breathe a little easier this morning," Mayor Brett Smiley told reporters at an early press conference in the New England city.

The shooting at the Ivy League University happened shortly before 4:05 p.m. on Saturday in an engineering building with unlocked doors as final exams were underway. Law enforcement worked well into the night to clear and evacuate school buildings and bring students to an established reunification center, The Providence Journal, part of the USA TODAY Network reported.

Brown University President Christina Paxson co

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