The raids were carried out in Boat Basin, Ferozabad where three suspects including Rehman Sher, Murtaza and Usman Qureshi were taken into custody.
The raids were conducted in Gulshan-e-Maymar, Docks, Maripur, Mochko and Baldia Town, Rangers spokesperson said.
Three suspected criminals have been arrested during separate raids conducted by Rangers personnel in Karachi.
According to the spokesperson, Hamza was nabbed during a raid who allegedly murdered his brother, over facing hurdles from him to sell out a house.
The raids were carried out in Malir Cantt, Gulistan-e-Johar, Landhi and other areas.
At least five suspected criminals were arrested during separate raids conducted by Rangers personnel in Karachi on Wednesday, the spokesperson said.
According to the spokesperson, the suspects were identified as Adil alias Lamba, Owais alias Anuwala, Danish, Meesam Mehdi, Amshed and Shaikh Umar.
According to Rangers' spokesperson, the nabbed persons include extortionist, dacoit and street criminals.