They will discuss a looming end of October deadline for completing a security deal to allow American troops to remain in Afghanistan after the end of the NATO-led military mission next year.
    
Kerry's unannounced visit to Kabul on Friday comes as talks on the Bilateral Security Agreement have foundered over issues of Afghan sovereignty despite a year of negotiations.
    
The US wants a deal by the end of the month, but the discussions have stalled over Karzai's demand for American guarantees against future foreign intervention, a veiled reference to neighboring Pakistan.
    
The US wants any remaining troops to be able to conduct counterterrorism and counterinsurgency operations.

(Agencies)

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