Fahim Dashti, a well-known journalist and spokesperson for the Resistance Front, was killed during a clash in Panjshir province on Monday night.
The National Resistance Front officials said that he was targeted by Pakistan Air Force drones in Anaba district of the province.
This claim was denied by the Taliban.
Fahim Dashti held various jobs over his career including media adviser, a member of the Afghanistan Journalist Federation, managing director of Subh-e-Kabul weekly magazine, and as head of the Afghanistan National Journalists Union.
He was currently working as spokesperson for the resistance front in Panjshir province.
Shuaib Fana, chief executive of the Afghanistan National Journalists Union, said: “Mr. Dashti was an active person in spreading the freedom of speech and media activity. He had worked at this union for eight years. Now his loss has upset us."
Meanwhile, Taliban spokesperson Zabihullah Mujahid denied the claims that Mr Dashti was killed by Pakistani air forces, saying that Dashti was killed as a result of internal conflict between resistance commanders.
Zabihullah Mujahid said: "He was killed as a result of a clash between Gul Haidar and General Juraat.”
Naseer Moahed, a journalist, said: “Dashti was an educated person in the journalism field. He made such great efforts to grow the freedom of speech in Afghanistan.”
“He was working for the rights of journalists," said journalist Jawad Ahmadi.
Many famous people including Rangen Dadfar Spanta, the former national security adviser, Fawzia Koofi, the former member of Afghanistan’s parliament, and Sediqullah Tawhidi, the head of the Afghan media watchdog Nai, all wrote about Dashti's death on social media.
Fahim Dashti was born into an intellectual family in Dashtak village of Anaba district in 1972. He graduated from Istiqlal high school and enrolled at Kabul university, studying law and political science, in 1991.