Two policemen were killed on Wednesday after unknown attackers opened fire at a patrolling police party here.
One of the assailants was killed in retaliatory firing by police.
Dawn quoted District Police Officer (DPO) Zahoor Afridi as saying that Station House Officer Ayub Khan and Constable Shah Hussain were martyred while on routine duty near the Majoki area.
He also added that another police official was injured in the attack.
DPO Afridi said that security in the area had been tightened as a polio campaign is currently underway.
Shortly after the attack, police began a search operation for suspects who had fled the site, the DPO told Dawn.
Charsadda is a town and headquarters of Charsadda District, in the Khyber Pakhtunkhwa province of Pakistan.
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Security personnel in the Federally Administered Tribal Areas and Khyber Pakhtunkhwa often come under attack by militants.
On Oct 30, a Frontier Corps personnel was martyred while another was injured in an improvised explosive device (IED) blast in the Sarokai district of South Waziristan.
Earlier, on Oct 18, two security personnel were martyred as a security forces vehicle hit an IED in North Waziristan's Miramshah.