Afghanistan will transfer to Qatar seven prisoners whose release has been demanded by the Taliban ahead of peace talks set to start this week.
Afghan President Ashraf Ghani ordered the release of 500 Taliban prisoners as part of a new ceasefire that could lead to long-delayed peace talks.
A senior member of the Taliban said the group will engage in talks with Kabul providing that the Afghan government frees the last of its Taliban prisoners.
The Taliban's political chief, Mullah Abdul Ghani Baradar, warned the US that an appropriate decision will be made if the US forces fail to pull out of Afghanistan according to the agreed timetable.
Iranian special envoy for Afghanistan Mohammad Ebrahim Taherianfard advised US officials to carefully study Iran's positions before commenting on the views of Iranian officials on regional issues.