Omar al-Bashir said he would "liberate" the people of South Sudan if fighting over oil revenues continue.
Rebel movements in South Sudan that have clashed with the South Sudanese army pose a greater threat to the fledgling state than even aggression from northern Sudan.
South Sudan's government has brought home hundreds of South Sudanese, but it seems unable to meet the needs of the people who arrived before that and are still trying to establish themselves.
Long-anticipated violence along Sudan's border region finally sparked up recently. The Enough Project traveled to the site to ask 'Why now?'