Human remains have been found in Pinellas County, Fla., as investigators search for a second missing University of South Florida doctoral student.

Authorities found the remains of one missing USF student and arrested his roommate, police said. The search for another student continues.

University of South Florida doctoral students Zamil Limon and Nahida Bristy were missing for over a week. Limon's remains were found April 24.

Human remains have been found in Pinellas County, Fla., as investigators search for a second missing University of South Florida doctoral student.

Investigators are looking for dash camera video from the bridge where one of the missing students' remains were found.