A man, identified as Isaaq, allegedly killed his 16-year-old daughter and her friend in the name of honour in Pasrur area of Sialkot Sialkot district, the police said on Monday.
The victims were attacked Monday afternoon with a sharp knife who died on the spot.
The police reached the crime scene and arrested the suspect.
The dead bodies have been shifted to the DHQ Hospital for post-mortem examinations.
A case has been registered against the suspect, three of his sons and two other unknown men.
All of them except Isaaq are on the run. The police are on the lookout for the suspects.