South Australian police have arrested six teenage boys and recovered knives after an altercation outside a Kilkenny shopping centre.

Police said they were called to the centre on Tuesday afternoon after the teenagers — aged between 13 and 16 years old — allegedly threatened a man outside of Arndale Shopping Centre on Torrens Road.

Two of the teenagers were allegedly carrying knives at the time of the incident.

One youth is also accused of throwing a rock that police said hit a person on the chin, causing minor injuries.

The teenagers were arrested after allegedly threatening a man outside of Arndale Shopping Centre.(ABC News: Guido Salazar)

Police said the youths dispersed after the altercation at the centre but were located by Western District officers on Humphries Terrace.

The knives have been located and the youths were interviewed by police officers on Tuesday afternoon, with all six charged with aggravated affray.

Police said a 14-year-old boy from Munno Para and a 14-year-old boy from Munno Para West have also been charged with carrying an offensive weapon and aggravated assault.

A 14-year-old boy from Mansfield Park has also been charged with aggravated assault.

Meanwhile, a 14-year-old boy from Athol Park, a 16-year-old boy from Pennington, and a 13-year-old boy from Mansfield Park will each face court over aggravated affray charges.

The youths have been refused police bail and are expected to face the Adelaide Youth Court on Wednesday.

Posted , updated