A security officer was martyred in a gun attack on a polio team on Tuesday in Karak.
According to the DPO, the polio team was unhurt in the attack but the officer providing security to the team was shot and martyred.
The DPO said that investigation into whether the attack was a result of personal enmity was under way.
The police official who embraced martyrdom was identified as Junaid.
The attack comes on the second day of the anti-polio drive week.
A five-day national polio immunisation drive began from Monday to vaccinate over 40 million children under the age of five across the country.
A supplementary dose of Vitamin A drops will also be administered to children aged 6 to 59 months during the campaign to help build general immunity among susceptible children to protect them from polio and other diseases.
According to the Pakistan Polio Eradication Programme, around 285,000 polio frontline workers will visit parents and caregivers at their doorsteps, adhering to strict coronavirus precautionary measures and protocols while vaccinating children.
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