He said at least eight policemen were killed in separate clashes with the militants.
Taliban launched an offensive on Kohistan district on Saturday night at about 10 p.m. local time.
After capturing Taywara district Taliban fighters stalked the corridors of the only hospital looking for wounded Afghan National Security personnel to kill, said provincial public health department director Ghulam Nabi Yaghana. The death toll in an airstrike on July 21 was determined after a site inspection of the compound in the Gereshk district, said Helmand provincial police chief Abdul Ghafar Safi. In the statement, the US offered its condolences to the families of the security forces who were killed.
He said the attack was launched as a small security check post was located near the district center, forcing the security personnel to retreat.
The Taliban said in a statement that they had captured both districts. It wasn't immediately clear if they had been kidnapped or had escaped.
According to a report in Efe news, the Taliban, an insurgent group of Afghanistan waging war in the country, has kidnapped 70 Afghans and killed four of them in the Kandahar province in southern Afghanistan over the past 4 days. The area in which the fighting occurred is tucked inside a mountainous region where access is restricted and telephone contact is unsteady.
Highways passing through insurgency-prone areas have become exceedingly risky, with the Taliban and other armed groups frequently kidnapping or killing travellers.
The central province of Ghor shares borders with two insecure provinces, Farah in the northwest and Helmand in the south, both of which are known as strongholds for Taliban fighters, Mahdavi said.
The last incident of this type dates back to 12 July: afghan authorities have discovered the bullet-ridden bodies of seven passengers of a bus whose occupants have been kidnapped in the west during an attack attributed to the taliban.
The Taliban are engaged in fighting with security forces in the northern province of Baghlan, temporarily closing a key highway between the capital Kabul and northern Afghanistan.