With the US continuing talks with the Taliban and failing to include the legitimate Afghan government, and other countries also battling to court the group, the reconciliation process is beginning to look like a game of economic geopolitics.
The four reportedly quit over differences with the government on how to handle the deteriorating security situation that has seen attacks from Daesh and the Taliban escalate.
Afghan President Ashraf Ghani rejects First Vice President Rashid Dostum's allegations that he favours Pashtuns saying the accusations help enemies of the country.
The agreement with Gulbuddin Hekmetyar is a symbolic win for the Kabul government, but it has angered some Afghans who believe it will grant the former warlord impunity from accusations of rights abuses and war crimes.
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