President Asif Ali Zardari and Prime Minister Raja Pervez Ashraf have strongly condemned the killing of polio vaccine volunteers in Karachi.
The President directed to bring those to justice who committed this crime.
The Prime Minister said the role of polio workers in eradication of the disease is crucial and they should be provided necessary security.
Sindh Governor and Chief Minister have also condemned the incident and directed the concerned authorities to arrest the culprits.