The current regional balance of power, in which Russia and China see the Taliban as the lesser of two evils, and a hasty US withdrawal helped the group march across Afghanistan, experts say.
A statement issued following talks in Qatar, where envoys met with Afghan government negotiators and Taliban representatives, reaffirmed that they would not recognise any government in Afghanistan "imposed through the use of military force".
President Ashraf Ghani offers a share in power to Taliban, provided the militant group "gives up the war" as Afghanistan celebrates Victory Day to mark Mujahideen's overthrowing of Soviet-backed Kabul regime in 1992.
Nine members of the military were killed in the incident. An air force source and a provincial official, however, said that the helicopter was hit by a rocket while taking off in Maidan Wardak province.
While officials have been jubilant over an agreement between the two sides, a lot more needs to be done to end the cycle of violence.
Afghan government and Taliban sign a three-page document that lays out the rules and procedures for the negotiations, which are taking place in Qatar where the Taliban have long maintained a political office.
President Donald Trump and his Democratic contender Joe Biden both seem to have the same fix for Afghanistan.
President Ashraf Ghani orders release of initial 1,500, with other 3,500 fighters to be set free in parallel with progress in intra-Afghan talks. Taliban says the plan violates its peace deal with US.
Threat of parallel governments in Afghanistan is jeopardising the nascent process to end a war that has killed tens of thousands of people.
The struggle for peace in Afghanistan is complicated by international powers, as well as conflicts between and within various Afghan factions.
Afghanistan's President Ghani and his government have not been involved in months of negotiations between Washington and the Taliban on an agreement for a peace deal in the country.
The attack in Badghis province, started around 08:10 GMT when a group of men, some wearing suicide vests, entered the hotel. Two out of the three attackers have been killed, the interior ministry said.
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