Fighting in disputed oil-rich Sudan town raises fears of return to civil war . Human rights groups and United Nations say the Sudanese military armed and trained Arab militias in Darfur after a rebellion erupted in 2003 . The fighting has left at least 100 people dead and hundreds more wounded since the conflict began last year. Despite cease-fire agreement Abyei has been destroyed and deal is at risk .
Fighting in disputed oil-rich Sudan town raises fears of return to civil war . The fighting has left at least 100 people dead and hundreds more wounded since the conflict began last year. Despite cease-fire agreement Abyei has been destroyed and deal is at risk .