Rangers on Tuesday claimed to have arrested 20 criminals during targeted raids in various parts of the city and recovered arms from their possession. Rangers conducted targeted raids in Model Colony, Landhi No 5, Shah Faisal Colony, Pakhtoonabad, New Karachi, Nazimabad No 2, Pak Colony, Islamia Colony and Lyari areas last night. It also carried out snap checking in Model Colony, Gulshan-e-Mazdoor, Khudadad Colony and Lines area.