According to a Rangers spokesman, the raids were carried out in Lyari, Safoora Goth, Alfalah Society, Surjani Town, Martin Quarter, Ram Swami, Ittehad Town, Peerabad, Bilal Colony and Frontier Colony areas of Karachi.
Thirty suspects including members of banned organizations and target killers were nabbed during the crackdown.
The arrested persons are being investigated by the para-military force.
