Policeman killed, 13 injured in NW Pakistan blast

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Policemen examine a damaged police vehicle at the blast site in northwest Pakistan's Bannu on May 11, 2018. A policeman was killed and 13 others were injured when a remote-controlled bomb went off near a police vehicle in Pakistan's northwestern Khyber Pakhtunkhwa province on Friday, police said. (Xinhua/Stringer)?????