Authorities in Virginia have identified 24-year-old Joshua Ribe as a person of interest in the disappearance of University of Pittsburgh student Sudiksha Konanki in the Dominican Republic.

Joshua Stevem Ribe, a fellow guest at the Caribbean resort from tiny Rock Rapids, was the last person to see Pitt student Sudiksha Konanki alive. A 24-year-old tourist from Iowa, who was the last ...