KHAIRPUR: Khairpur police have launched an operation against criminals at Katchha area of Indus River. According to sources, 200 commandos have reached Khairpur on the call of SSP Khairpur Ghulam Azafar Mahesar and all arrangements have been finalized to launch the operation against criminals in eight talukas of the district. SSP Khairpur Ghulam Azafar Mahesar asked the criminals to surrender before the court otherwise they have to face the operation. Meanwhile, security has been tightened in the district and patrolling has been increased.