Provincial Police Chief Senior Superintendent Franklin Mabanag said six people were walking along the right side of the national highway in Barangay (village) Manaring when the jeepney came around a curve and hit the victims around 5 p.m. Wednesday.
Mabanag said victims Oliver Cabasal, 11; Linda Cabasal; the pregnant Rhea Salas 26; and her daughter Jonalyn, were rushed to the hospital, but were all declared dead on arrival.
Delia Dela Cruz, 33; and Mary Ann Alvarez, 37, on the other hand, sustained injuries.
The driver, identified as Claudio Lucas, 51, has been placed under police custody, Mabanag said.