(NATIONAL) Bilawal Bhutto pays tribute to polio workers.

ISLAMABAD -- Pakistan Peoples Party (PPP) Chairman Bilawal Bhutto Zardari on Tuesday paid tribute to all the workers who sacrificed their lives during the polio campaign.

In a statement on World Polio Eradication Day, Bilawal expressed hope that very soon Pakistan will become one of the polio-free countries of the world. Further, he said, "It's a matter of concern as a Polio case has been discovered in Sindh during this month so parents should give polio drops to their children."

"A polio-free Pakistan was the...