Imposition of section 144 is a responsibility of police, CCPO Karachi Wasim Ahmad said. Talking to media, CCPO Karachi said police force is working under specific procedure. Anyone who violates section 144 would be punished and no one is allowed to disturb law and order. He said important points from security point of view have been covered. Replying to a question about arrest of Malir Bar Association former president Amanullah, Wasim Ahmad said he don't have details of his arrest. He said sanctity of High Court and Supreme Court will be maintained.