Peshawar , Pakistan ( CNN ) -- The suicide bomber also wounds him . He pulls up to a police checkpoint on a motorbike . It is adjacent to Pakistan 's restive tribal region in the north . It is near the border with Afghanistan and rife with Islamist extremists .
The suicide bomber also wounds him . He pulls up to a police checkpoint on a motorbike . It is adjacent to Pakistan 's restive tribal region in the north . It is near the border with Afghanistan and rife with Islamist extremists .