Gunmen kill 20 miners in an attack in southwest Pakistan ahead of an Asian security summit The Associated PressPakistan: Gunmen kill at least 20 miners in Balochistan BBC.com20 Pakistan Coal Miners Shot Dead In Attack Barron’sLive news: At least 20 killed in attack in south-western Pakistan Financial TimesArmed attackers kill 20 coal miners in southwest Pakistan Al Jazeera English