As Heads of States arrive in Dar es Salaam today for a joint Summit of the East African Community and Southern African Development Community, close to a million Congolese are on the run.

While primarily a conflict between the M23 armed group and the government of Democratic Republic of Congo, Congo's vast mineral wealth has attracted several interests who threaten to escalate the war regionally.

With US$ 24 trillion in copper, cobalt, tin, tantalum and lithium, the DRC is one of the world's richest economies.

The Congo river's huge hydropower potential and its large rainforest is second only to Brazil.