72 artisanal miners killed in air strike on Sudan-Egypt border, rights group says. Attack blamed on Egyptian air force, though not confirmed.
Sudanese rights group Emergency Lawyers says Egyptian air force carried out strike on gold mine near disputed border. Survivors describe chaotic scene with bodies strewn in rubble.
Repeated attacks on resource-rich border regions reflect Egyptian desire to control Sudan's natural resources, group says. Conflict has driven thousands into dangerous mining industry.
Egyptian military claims operation was within Egyptian territory, though rights group says attack occurred in Sudan. Both sides blame each other over disputed border and gold mining.