Unknown gunmen shot dead two persons and fled from the scene here in Nowshera on Monday.Police said that the firing incident took place in main market near Pabbi Station of Nowshera. Both persons were killed on the spot in the firing incident and armed motorcyclists managed to escape after committing dual murder, police said.The bodies were shifted to mortuary of Pabbi Hospital for identification and medico-legal formalities.Police said the shooting incident seems to outcome of personal enmity. However, a case been registered against unknown murderers and police have started search for them.