Kai Eide, head of the U.N. mission in Afghanistan, said last week that the vote was flawed.

CNN: Afghan rivals urged to respect election result

Nonetheless, the newly arrived United Nations special envoy, Kai Eide, says it would be wrong to ignore the Oxfam report.

NPR: Westerners Play Pivotal Role in Afghan Rebuilding

Kai Eide, the United Nations special representative in Afghanistan, said Thursday's election will be the most difficult he has encountered in his life.

CNN: Violence, graft overshadow Afghan elections

Uncertainty within the international community over how to handle this politically charged situation was exposed in the publicised row between UN envoy Kai Eide, and his deputy Peter Galbraith.

BBC: High stakes in Afghan vote recount

Correspondents say it was therefore not surprising to see Mr Karzai give his reaction to the run-off, at a news conference alongside UN envoy Kai Eide and US Senator John Kerry.

BBC: Afghan election goes to run-off

Special Envoy Kai Eide.

NPR: On Afghan-Pakistan Border, Security Worsens

The new Special Representative of the Secretary-General succeeds Kai Eide of Norway, who will complete his assignment on 28 February, and to whom Mr. Ban is grateful for his intrepid spirit, strong determination and excellent leadership of UNAMA over the past two years, a critical period for Afghanistan with difficult elections and a very challenging security situation.

UN: Secretary-General