Six dead bodies were recovered on Tuesday by police in the metropolis, according to media reports.
According to SSP Central Amir Farooqui, the victims were all men between the 20 to 30 years of age.
He said that the men had been abducted from Gulshan-e-Maymaar and were subjected to torture before extermination by using a sharp weapon.
Five out of the six victims have been identified as Munawwar, Saleem, Javed, Ramzan and Abid, respectively.
The dead bodies have been shifted to Abbasi Shaheed hospital, he added.
The police have launched a search operation against the killers and investigations are underway.