At least 20 killed in attack on miners in southwestern Pakistan, police say ReutersPakistan: Gunmen kill at least 20 miners in Balochistan BBC.comArmed attackers kill 20 coal miners in southwest Pakistan Al Jazeera EnglishGunmen kill 20 miners and wound others in an attack in southwest Pakistan The Associated PressLive news: At least 20 killed in attack in south-western Pakistan Financial Times