Rhode Island

Authorities renewed their search on Sunday for the gunman who killed two students and wounded nine others at Brown University, after investigators released a previously detained “person of interest” and acknowledged the case had shifted direction.

At an evening press conference, Rhode Island Attorney General Peter Neronha said there was “no basis” to hold the individual, adding that evidence now points elsewhere. Police declined to explain why the person was initially detained, and said they were no longer naming him publicly.

The attack unfolded Saturday afternoon in a classroom at the Holley Engineering Building, where students were gathered during exam …