KARACHI: Four criminals were killed in a rangers operation in Lyari on Saturday. Four men, Sanaullah, 25, Ameer, 35, Hassan, 28, and Liaqat, 30, were killed when rangers retaliated after the criminals opened fire on them near Jumman Shah Road in Lyari. The bodies were shifted to CHK for post-mortem examination. The criminals were involved in many cases of murders and extortions, said rangers spokesperson. Weapons were also recovered from their possession.