At least four police officers were martyred and dozens more sustained critical injuries Tuesday in a rocket attack on a police van in Dera Ismail Khan’s Kulachi tehsil. According to police, the police van caught fire following an attack with a rocket by terrorists. Four police officers were instantly 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.