A deal between the two sides could pave the way for direct talks between the government of President Ashraf Ghanio despite the fact that the militants consider his administration illegitimate.
There is no clarity on who was behind the attack in Logar province's Baraki Barak district with Afghan officials giving conflicting accounts of the air raid on Kuchi nomadic people.
On Wednesday, Washington announced it was taking Turkey out of the F-35 fighter jet programme.
The US move to remove Turkey from its F-35 jet programme can be a major setback to NATO, as other world powers race to catch up on military aircraft technology.
Current tensions within NATO need to be overcome in order to deal with the looming threat of climate insecurity
Fears of Russian expansion are driving military spending among former Soviet-bloc states.
"Turkey fulfills all NATO requirements ... We strongly reject linking this matter with the F-35 [fighter jet programme]," Turkey's Defence Minister Hulisi Akar says.
The US has agreed to send 1,000 additional troops to Poland but stopped short of establishing a new base there. What does this mean for US-Poland relations and how does Russia play into this?
Tensions have escalated between two NATO allies after Washington gave Ankara two weeks to decide on its S-400 deal with Russia threatening to remove the country from the F-35 program. But Turkey has so far dismissed the threats.
Duties levied on aforementioned US products will be reduced from $521.2 million to $260.6 million, trade minister Ruhsar Pekcan says.
Turkish President Recep Tayyip Erdogan says a joint effort is needed to combat terrorism in the region.
Speaking at a news conference with his Polish and Romanian counterparts, Foreign Minister Mevlut Cavusoglu said Turkey is taking the utmost care to ensure that the S-400 system is under full Turkish control.
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