We've seen it in past conflicts, and I think that Mali, in a way, is a high-water mark for the African unit for ECOWAS. Asserting that African leadership is very important. They are closer to the terrain and better able to marry up military effort with the political efforts needed for reconciliation. Again, it's been a very important signal from the African Union, and they've claimed that ownership.
On February 12th, 2013. See this statement in context.