Protesters threw petrol bombs at police officers near Cape Town International Airport on Friday morning, the city's disaster risk management centre said.
Spokesman Wilfred Solomons-Johannes said the bombs were thrown on the N2 highway, where about 500 residents had gathered to protest over poor service delivery.
Police retaliated and protesters retreated to nearby shacks. Solomons-Johannes said a nearby Eyewitness News vehicle was stoned on NY108 road in Gugulethu. Journalists inside the vehicle escaped injury.
"The [N2] roadway has since been cleared, however it remains closed in the interest of the public."
Police officers were monitoring the scene and had made no arrests, he said.
The highway was closed between the Mew Way and Duinefontein offramps.
People wanting to get to the airport from Somerset West could use the R300 link onto the Stellenbosch arterial.
If coming from the city, motorists could use the Modderdam offramp to access Borchards Quarry.
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