Man charged after Adelaide hammer attack

A man has been accused of attacking another man with a hammer in the Adelaide CBD.

The assault unfolded at Kintore Avenue about 9.30am on Sunday, with members of the public forced to detain the alleged attacker before police arrived to arrest him.

The victim was taken to the Royal Adelaide Hospital with non-life-threatening head injuries while the suspect was interviewed.

The 32-year-old man of no fixed address has since been charged with aggravated assault causing harm, and was refused bail ahead of facing of the Adelaide Magistrates Court on Monday.

Police are yet to establish the motive of the attack.