In a rocket attack on a police van in Kulachi tehsil of Dera Ismail Khan on Tuesday, at least four police officers were killed and another dozen were critically injured.
The police van caught fire after being attacked with a rocket by terrorists, according to police.
On the spot, four police officers were martyred.
The injured were rushed to the hospital, where three of them were listed in critical condition.
The police launched a search operation in the area in order to apprehend the terrorists.
