Related: Crippling virus: New polio case confirmed in Peshawar
Police officer Jumma Khan was mildly injured, while Haq Nawaz was shot in the leg. Both of them, however, are out of danger.
Following the attack, police started a search operation in the area.
Related: 4 killed, 3 injured in attack on polio team near Quetta
Earlier in March, three people, including two lady health workers, were killed when unidentified assailants opened fire at a polio team near an Afghan refugee camp on the outskirts of Mansehra city.
The deceased also included a police constable, DPO Ejaz Khan had told The Express Tribune.
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