Local authorities confirmed that the incident took place, but have denied that there were any casualties, Khaama Press reported Saturday.
No other information on the incident was released.
The NATO-led International Security Assistance Force released a statement on Saturday that said: "Afghan and coalition security forces confirmed Dec. 8 that the insurgent leader, Numan, and several other insurgents were killed during a security operation in Nari district, Kunar province, Tuesday."
"During an operation in Nahr-e Saraj district, Helmand province Dec. 8 an Afghan and coalition security force arrested a Taliban leader who distributed improvised explosive device materials." ISAF said following the statement adding that, "During the operation, the security force also detained one suspected insurgent and seized IED-making materials."