Sudiksha Konanki, who was last seen in the Dominican Republic on spring break, has been reported missing since March 6.

The passport of Joshua Riibes, an American linked to the disappearance of a University of Pittsburgh student, has been confiscated by Dominican authorities as part of an ongoing investigation, his attorneys told NBC News.

Sudiksha Konanki, 20, was last seen on March 6 with a group of friends heading to a beach in Punta Cana. She is believed to have stayed behind with Joshua Riibe, a student at a Mi