DERA ISMAIL KHAN: Three policemen were martyred as a result of an improvised explosive device (IED) blast in Dera Ismail Khan on Friday evening, police said.
The incident took place on Hathala Road in DI Khan , police officials said, when the squad of District Police Officer (DPO) Dr Zahidullah passed by.
DPO Zahidullah escaped the attempt unhurt, however, five personnel in his squad were injured.
A vehicle in the DPO's squad was also partially damaged.
The wounded personnel were shifted to a hospital, where three of them succumbed to their injuries, police said.
Two other injured policemen remain under treatment at the hospital.