Bendigo Crime Investigation Unit detectives arrested four teenagers following an alleged serious assault on a security guard at a Bendigo shopping centre this week.
It is alleged a group of youths approached a security guard at the centre on Mitchell Street on Monday, 3 March about 4pm.
He was allegedly punched, kicked and dragged to the ground before members of the public intervened and were also assaulted in the process.
A 20-year-old Melton South man received non-life-threatening injuries and has since been released from hospital.
Police arrested three girls and a boy yesterday.
Three Bendigo girls aged, 14, 15, and 17 have been interviewed by police and released pending further enquiries.
A 17-year-old Bendigo boy has been charged with affray, intentionally cause injury and recklessly cause injury.
He was remanded in custody to appear at a children's court at a later date.
