Hobsons Bay Crime Investigation Unit detectives have arrested four teens following an armed robbery and serious assault in Altona Meadows on the weekend.
It is alleged a man was approached by a group of males and pushed to the ground at a shopping centre on Central Avenue, about 8pm on Saturday 19 July.
One of the males allegedly produced an edged weapon and struck the victim's forearm, causing a serious injury.
The victim, a 33-year-old Altona Meadows man, remains in hospital with serious but non-life-threatening injuries.
It is alleged the offenders then fled with the victim's phone.
Investigators today arrested four teens in relation to the incident.
14-year-old boy from the Wyndham area has been charged with intentionally cause serious injury, reckless cause injury, robbery and unlawful assault.
He has been remanded to face a childrens court,
Two 15-year-old boys from the Hobsons Bay area were also charged with intentionally cause serious injury, reckless cause injury, robbery and unlawful assault.
They were bailed to face a childrens court at a later date.
A 14-year-old boy from the Hobsons Bay area is expected to be charged on summons.
Investigators are continuing to search for a fifth person believed to be involved.
Anyone with information is urged to contact Crime Stoppers on 1800 333 000 or submit an online confidential report at www.crimestoppersvic.com.au.
