Sudiksha Konanki and three others are seen in new surveillance footage that was captured just before she vanished on Thursday, March 6. Konaki, a 20-year-old University of Pittsburgh student, was in Punta Cana,

Sudiksha Konanki, 20, was last seen at around 4:50 a.m. Thursday while walking on a beach in Punta Cana, Dominican Republic authorities said.

A missing 20-year-old University of Pittsburgh student in the Dominican Republic likely died in the ocean by drowning, authorities announced Monday.