Armed men gunned down three people including a couple and their son over old rivalry here in Hafizabad on Sunday.

According to details, armed assailants barged into a house located in village Wangy of Hafizabad and opened indiscriminate fire at the residents sleeping in the house.

As a result of firing three persons including a couple and their son were killed on the spot. The miscreants fled the scene after committing triple murder.

Police said that the incident is outcome of old enmity, a case has been registered against killers and a hunt for the assasins was underway.