Such figures are "unacceptable and a terrible indictment of our performance, " Barroso told the council.

CNN: EU targets unemployment amid crisis

"It is clear that our current level of profitability is unacceptable and we need to improve our performance, " Mack said in a statement.

FORBES: Mack Refuses To Attack

The mission's own force commander, however, blasted its performance as "totally and utterly unacceptable" after a 2003 episode in which an armed group killed 563 civilians, according to U.N. records.

WSJ: U.N. Peacekeepers at War in the Congo

Chief inspector Sir Michael Wilshaw says the performance gap between some areas is "completely unacceptable".

BBC: Education & Family