Police have arrested a man following a series of incidents in St Kilda and South Morang this morning.
It is believed the man allegedly threatened the driver of a silver Mitsubishi ASX with a bottle, before stealing his Mitsubishi at the intersection of St Kilda Road and Charles Street, St Kilda about 3.15am on Friday, 11 April.
The driver of the Mitsubishi was not injured.
The stolen Mitsubishi collided with a black Toyota Hilux and a Grey Ford Ranger at the intersection of Plenty Road and The Lakes Boulevard, South Morang just after 5.30am.
The driver and sole occupant of the Toyota was taken to hospital with minor injuries.
The driver and sole occupant of the Ford was not injured.
The Mitsubishi's occupant fled the scene on foot.
A passerby stopped to assist when the alleged offender returned and stole the passerby's white Volkswagen Golf.
The stolen Volkswagen crashed into a pole at the intersection of McKimmies and Plenty roads, Bundoora a short time later.
A 31-year-old Mitcham man was arrested nearby attempting to flee the area on a tram.
He was taken to hospital with non-life-threatening injuries.
He is expected to be interviewed by police later today.
Anyone with information or with dashcam footage is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report online at www.crimestoppersvic.com.au.