Ahmad Khan Serat, spokesman for the provincial police chief, says on Sunday dozens of people form Khoja Omari district brought the bodies to local authorities in the regional capital of Ghazni.
A group that observes police conduct at yellow vest protests said officers had attacked five of their number during the demonstration, injuring one of them.
Police fired tear gas and water cannon on Saturday night to disperse protesters who threw petrol bombs and rocks, broke government office windows and blocked a key road near the local headquarters of China's People's Liberation Army.
Hundreds of people protested in Lebanon’s capital on Sunday over increasingly difficult living conditions, amid fears of a dollar shortage and possible price hikes.
Hong Kong pro-democracy activists plan sit-ins at shopping malls and student rallies on Saturday after a night in which protesters took to the hills to form lantern-carrying human chains, the latest demonstrations in months of unrest.
The once stable international hub has been convulsed by weeks of huge, sometimes violent rallies calling for greater democratic freedoms and police accountability.
Police said on Sunday protesters hurled iron poles, bricks and rocks on to the railway track near the airport station. By early evening protesters at the airport had left, but protesters in Tung Chung remained.
The area has been racked by civil unrest for two weeks over perceived racial and ethnic discrimination. Some protesters are also demanding an independence vote, although authorities have ruled out such a possibility.
The boycott follows a weekend marred by some of the worst violence since unrest escalated more than three months ago, with protesters burning barricades and throwing petrol bombs, and police retaliating with water cannon, tear gas and batons.