Police firing tear gas and birdshot broke up the battle and arrested 196 people, authorities said.
During the roundup Saturday, police fired birdshot to intimidate people on the streets and entered houses to make arrests, witnesses said.
Journalists saw at least three people wounded by birdshot fired by either the plainclothes agents or soldiers who arrived later. One man was bleeding from the head, but did not seem to be seriously injured.
In Kathlehong, another black township southeast of Johannesburg, police said five blacks were killed and 45 injured after officers used tear gas and birdshot to disperse a crowd of anti-apartheid protesters.
Authorities moved in with shotguns and tear gas, firing birdshot warnings in one instance to disperse attackers trying to rob a security man.
Firefighters put out the blaze, but police said township residents began hurling stones at officers, who then fired tear gas, rubber bullets and birdshot.
Witnesses said police used tear gas, whips, rubber bullets and birdshot to break up demonstrations.
MONDAY, MARCH 8 _ Riot police disperse demonstrators in Panama with tear gas and birdshot.
The day before, police said 27 strikers at the Optimum coal mine in eastern Transvaal province were injured when the police fired birdshot and tear-gas grenades into a crowd of about 800.
The hospital also said five patients were admitted with birdshot and rubber bullet wounds.
Riot police and plainclothes officers fired birdshot into the air from 12-gauge shotguns and lobbed tear gas canisters to disperse small groups of protesters in Panama City.
Police roamed the northern suburbs in armored vehicles, firing birdshot and tear gas at stone-throwing groups Wednesday, said a journalist.
Around 120 people were injured, including 14 policemen, when looters formed human chains to face national guard units firing birdshot from armored cars, said reporter Igor Camacho.