Police in the US said they had a person of interest in custody after a shooting that rocked a Rhode Island university campus during final exams, leaving two people dead and nine others wounded.

Colonel Oscar Perez, chief of the Providence police, confirmed at a news conference that the detained person was aged in their 30s and that authorities were not currently searching for anyone else in connection with the Brown University incident.

He declined to say where the person was arrested and whether the person was connected to the university.

The shooting happened on Saturday afternoon in the engineering building of the Ivy League school during final exams.

Hundreds of police officers had scoured the campus and nearby neighbourhoods, and pored over video in pursuit of a gunman who opened

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