SANTO DOMINGO, Dominican Republic (AP) — The father of a 20-year-old University of Pittsburgh student Sudiksha Konanki, who went missing in the popular Dominican Republic tourist town of Punta Cana while on spring break with friends, said he has asked authorities to widen their investigation.

The race to find a missing pre-med student in the Dominican Republic entered its fourth day Monday after authorities said the 20-year-old from Virginia was last seen walking along a beach in Punta Cana.

The family of Sudiksha Konanki, a 20-year-old college student who went missing in the Dominican Republic while on spring break, is urging authorities to widen the current investigation.

She was last seen on surveillance video on a beach with several people around 4 a.m. Thursday. Five women and a man left the beach about two hours later, but Konanki was not among them, CNN reported. NBC News reported it was believed that she stayed behind with a man, who was seen leaving the beach just before 10 a.m. He was alone.

SANTO DOMINGO, Dominican Republic (AP) — The father of a 20-year-old University of Pittsburgh student Sudiksha Konanki, who went missing in the popular Dominican Republic tourist town of Punta Cana while on spring break with friends, said he has asked authorities to widen their investigation.

Sudiksha Konanki, 20, was last seen before dawn Thursday while walking on a beach in the Dominican Republic resort town of Punta Cana.

Authorities are searching in the tourist town of Punta Cana for any signs of 20-year-old Pitt student Sudiksha Konanki, who disappeared while on spring break.

Authorities in the Dominican Republic are searching for a missing US college student, Sudiksha Konanki. The Dominican National police say the 20-year-old was last seen on surveillance camera with seven other people entering the Riu República Hotel in Punta Cana after 4:15 am.