PESHAWAR, Shawwal 20, 1432, Sep 18, 2011, SPA - At least fifteen people were killed when militants attacked a check post in the Khyber tribal region in northwest Pakistan, officials said. Four tribesmen and a paramilitary soldier were killed in the attack on Saturday night. Members of a tribal militia and security forces retaliated, killing 10 militants, Reuters reported. --SPA 11:01 LOCAL TIME 08:01 GMT www.spa.gov.sa/925802