Brimbank Embona Taskforce detectives arrested two teenagers in a Keilor East cemetery following an alleged theft of a car in Hillside and evade through Melbourne's north this morning.
It is alleged the car was stolen in Royal Crescent, Hillside about 1.30am.
Two occupants of a stolen Toyota Corolla, allegedly armed with machetes, approached a 20-year-old Hillside man who had just parked his red Kia Sorento.
The two teenagers allegedly chased and assaulted the 20-year-old, before stealing his keys and the Kia.
He was not injured.
Police spotted the stolen Kia and Corolla on the Calder Freeway a short time later.
With assistance from the Air Wing, the vehicles were followed to Keilor, where stop sticks were deployed.
The Kia came to a stop at a service station on Keilor Park Drive, before the two occupants allegedly fled on foot into a nearby cemetery.
Police cordoned off the area whilst the Air Wing directed them to the offenders.
One teenager was arrested by a member of the Dog Squad in the cemetery.
Members of the Critical Incident Response Team arrested the other teen a short time later.
The 16-year-old Hoppers Crossing boy has been charged with armed robbery, theft of motor vehicle, being armed with a controlled weapon with criminal intent, possess a controlled weapon, and traffic related offences.
He has been remanded to appear before a children's court today.
The 17-year-old St Albans boy was released and is expected to be charged on summons at a later date.
The Corolla was allegedly stolen from an address in Fawkner at 8pm last night.
The 2012 grey Toyota Corolla and its occupants are yet to be located and the investigation remains ongoing.
Anyone with information is urged to contact Crime Stoppers on 1800 333 000 or www.crimestoppersvic.com.au