Kerry: Afghan presidential candidates agree to audit

Both candidates in the Afghan presidential election have agreed to abide by the results of a comprehensive audit of the second round of the Afghan presidential vote, according to US secretary of state John Kerry.

Kerry said the United Nations would supervise the investigation into the results of the second round of the Afghan presidential vote which has been deadlocked since the June 14.

Both Abdullah Abdullah and Ashraf Ghani have disputed the results but Kerry said they will respect the audit which will be carried out in the country's capital Kabul and take 24 hours to complete.