Afghan President Hamid Karzai said the US needs to bring peace to Afghanistan before he will sign a security deal enabling Washington to keep troops in the country beyond next year.
Karzai rejected calls by Afghanistan's council of tribal elders - the Loya Jirga - to sign the security deal.
He told the assembly: "If there is no peace, then this agreement will bring misfortune to Afghanistan.
"Peace is our precondition. America should bring us peace and then we will sign it."
More top news
Sex abuse in football is still happening today - and not just in Britain, victims say.
A fairly cloudy afternoon with some bright breaks developing across the U.K.
A 60-second clip shows animated tattoos depicting scenes of violence against children appear on David Beckham's body.