Citing Ariana News TV, Xinhua reported that the attack was carried out by the Taliban militants on Friday night in Farah Rod area of Bala Buluk district, northeast of provincial capital city Farah, Farid Bakhtawar, chairman of the provincial council, was quoted as saying.
Among those killed were nine members of the Afghan Special Operations Forces, according to the report.
Additional forces were dispatched to the district following the clashes.
Several soldiers were reported missing after the attack during which one armoured military vehicle was destroyed and two others were seized by the attackers together with weapons.
Afghan army and police have repulsed Taliban attacks against Farah city in the past months as the militants have been trying to capture full control of the city and outer parts.
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