The family of missing University of Pittsburgh student Sudiksha Konanki has asked police in the Dominican Republic to declare her dead, a police spokesman said Monday.

Dominican Republic National Police spokesperson Diego Pesqueira said Konanki’s family has sent the agency a letter requesting a declaration of death.

Konanki, 20, was on spring break with friends in the Caribbean island nation when she disappeared early March 6. Despite an extensive search, her body has not been found.