Abdul Manan, who was the Taliban's 'shadow governor' in the southern Helmand province, died of wounds sustained during an airstrike late on Saturday said Omar Zwak, a spokesman for the official governor of the province.
Manan's death was also confirmed by the Taliban who in a statement described it as a "big loss" for the group but vowed that it will not affect their military operations.
Helmand -- the region that supplies the largest share of Afghanistan's opium crop -- has been the scene of bitter fighting for years with 10 out of 14 districts of the province either controlled or contested by the Taliban.
As a senior Taliban leader, Abdul Manan had led the insurgency group's expansion as it expanded control over the opium-rich province in recent years.
Danish said that 32 other Taliban fighters were also killed in the airstrike.
"The Taliban should consider intensifying peace talks, not the fight. They're going to have trouble intensifying the fight when their fighters and leaders are under constant assault," Col. Dave Butler said in a statement.
Abdul Manan was on the blacklist unveiled mid-October by the Riyadh-based Terrorist Financing Targeting Center (TFTC), which imposed financial sanctions on nine individuals, including six Taliban members.
But the Taliban have rejected Ghani's overtures, calling the government in Kabul "impotent" and a "waste of time".
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