ISLAMABAD, Dec. 16 (Xinhua) -- A policeman was killed in firing by unknown gunmen in Pakistan's northwest Khyber Pakhtunkhwa province, police officers said on Monday.
A polio worker was also critically injured when some unknown armed persons attacked a polio vaccination team in Shakarkhel area of Karak district of the province.
The attackers fled the scene after carrying out the attack, and a search operation was underway to arrest the culprits, police said.
Following the incident, a heavy contingent of police reached the area. Security forces cordoned off the area and launched an investigation into the attack.
Earlier, the Pakistani government launched a fresh nationwide anti-polio campaign after cases rose to 63 so far in 2024. ■