Promptly responding to media reports that Karachi operation is getting slow, a Rangers spokesman Thursday asserted that the ongoing move against criminals will continue till apprehension of last terrorist and target killer. In a brief statement, the spokesman said that sacrifices of public and law enforcers would not be wasted. Peace and stability would prevail in the city, he added. The spokesman asked the general public the keep an eye on the people indulged in suspected activities. He also requested them to instantly call on helpline '1101' or SMS on the same number for quick response.