A 12-year-old girl was molested and later stabbed by a male relative during at attack at the family's home in south Trinidad on Wednesday.
The child's mother, who had hours earlier caught the suspect with her daughter, was also stabbed.
Reports said that at around midnight the mother allegedly caught the relative assaulting the child.
The suspect left the house, only to return hours later where he attacked them with a knife.
The mother and daughter are in stable condition at hospital.
Officers are searching for the suspect.