<p>A Pakistani security official was killed while two others were injured when unidentified militants attacked a police van deployed to provide protection for the population census team in the restive Khyber Pakhtunkhwa province, officials said on Thursday.</p>.<p>Unidentified terrorists opened fire at a police mobile team on duty with the population census team on Wednesday in the Dera Ismail district of the province.</p>.<p>The terrorists managed to flee from the scene after the shootout, following which police launched a massive combing operation in the area to nab them.</p>.<p>The injured police officials were admitted to the District Headquarters Hospital, Dera Ismail Khan.</p>.<p>Pakistan on March 1 launched its first-ever digital population and housing census.</p>.<p>The country's Bureau of Statistics is conducting the census amid tight security.</p>
<p>A Pakistani security official was killed while two others were injured when unidentified militants attacked a police van deployed to provide protection for the population census team in the restive Khyber Pakhtunkhwa province, officials said on Thursday.</p>.<p>Unidentified terrorists opened fire at a police mobile team on duty with the population census team on Wednesday in the Dera Ismail district of the province.</p>.<p>The terrorists managed to flee from the scene after the shootout, following which police launched a massive combing operation in the area to nab them.</p>.<p>The injured police officials were admitted to the District Headquarters Hospital, Dera Ismail Khan.</p>.<p>Pakistan on March 1 launched its first-ever digital population and housing census.</p>.<p>The country's Bureau of Statistics is conducting the census amid tight security.</p>