New surveillance video has surfaced and a "person of interest" has been named in the case of Sudiksha Konanki, the Pitt student who went missing and disappeared while vacationing in the Dominican Republic.

Authorities have ramped up their efforts by air, sea and land to track down the 20-year-old University of Pittsburgh student who went missing six days ago while vacationing in the Dominican Republic resort town of Punta Cana.

A person of interest has been named in the case of missing University of Pittsburgh student Sudiksha Konanki, who disappeared while on vacation in the Dominican Republic.