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.
At least five suspected criminals were arrested during separate raids conducted by Rangers personnel in Karachi on Wednesday, the spokesperson said.
The alleged gangsters were taken into custody during separate raids in Kalakot and Kalri areas.
According to Rangers' spokesperson, the nabbed persons include extortionist, dacoit and street criminals.
The detainees include criminals involved in target killing, dacoities, street crimes and drug smuggling.
Anti-Narcotics Force (ANF) seized a suspicious parcel full of prohibited medicines used for intoxication by drug addicts during a raid conducted at Karachi airport.