Sudan and South Sudan remain at each other's throats, and war between the two remains a very real threat.
South Sudan accused Sudan of launching fresh ground and air strikes on Sunday, days after South Sudan withdrew its troops from the disputed Heglig oilfield.
More from GlobalPost: South Sudan accuses Sudan of fresh ground and air strikes
New satellite photos show evidence of wrongdoing by both Sudan and South Sudan along the troubled border between the two countries. The photos are in the Satellite Sentinel Project report: Escalation: Evidence of SAF and SPLA Combat Operations.
Despite South Sudan's withdrawal of its army troops from the Heglig oilfields, Sudan has continued to attack sites in South Sudan, charged the South Sudan government.