Ten people were killed and 30 others injured Wednesday after demonstration to condemn the alleged killing of four civilians by NATO-led troops in Takhar province turned into violence.

"The hospital in Taluqan city has received 10 dead bodies and 30 injured men, some of them in critical condition," a doctor told Xinhua but declined to be identified.

The protestors blamed NATO-led troops for killing four civilians including two women and arresting two others in a raid on a house outside Takhar provincial capital Taluqan city Tuesday night.

Meanwhile, the NATO-led International Security Assistance Force (ISAF) said in a statement that all the four people killed during the operation in Taluqan Tuesday night were armed insurgents.

An official said on condition of anonymity that Taliban militants interfused the protestors and began attacking ISAF Provincial Reconstruction Team (PRT) compound in Taluqan city and gun shots were heard.

Meanwhile, a police officer who declined to be identified told Xinhua that the situation was under control.