A high-speed police pursuit through Geelong West could be linked to a spree of violent burglaries across Melbourne over two nights this week.
Police spotted a stolen BMW on Latrobe Tce, Geelong West, about 4.50am on Tuesday morning, they alleged.
Officers initiated a pursuit before terminating it a short time later due to excessive speed, police said.
Police believed a group of offenders stole the BMW in an aggravated burglary in northern Melbourne about 4am on Tuesday.
A group of offenders armed with edged weapons and metal poles gained entry into a Mernda home before threatening the occupants and stealing various items, police alleged.
A 41-year-old man sustained minor injuries to his face, while a 40-year-old woman and two children were physically unharmed.
Police spotted the BMW on Princes Fwy in convoy with a stolen Mercedes on Tuesday before the Geelong West pursuit.
Police believed the offenders stole the Mercedes at Derrimut about 12.10am on Monday morning, before dumping it on Lunan Avenue, Drumcondra, on Tuesday morning.
The theft occurred during an aggravated burglary where four masked men armed with knives broke into a home on Ivy Close, police said.
The offenders assaulted a 65-year-old man who sustained a minor laceration during the incident.
A 58-year-old woman, 91-year-old man and 64-year-old woman also home at the time were physically unharmed, police said.
The offenders stole a grey Mercedes sedan and Honda HR-V, registration 1EY3DI, which remained outstanding on Tuesday morning, police said.
Police believe the aggravated burglaries were linked to three further violent incidents across Melbourne on Sunday night.
Four males, one armed with a knife, broke into a Bentley East house about 8.40pm, assaulting the two occupants, ransacking the home and stealing a BMW, police said.
The offenders crashed the car on Westgate Fwy before attempting to carjack a motorist, who escaped along with his passenger.
The group later threatened a woman with a knife as she was about to put her child in her car at Port Melbourne, police alleged.
They stole her Hyundai before dumping it at Derrimut prior to aggravated burglary there, police said.
Police were still hunting the men of African appearance, they said on Tuesday.
They urged anyone who sights a white BMW with registration VIA365 or a black 2015 Honda HR-V, registration 1EY3DI, to phone 000 immediately.
They also urged anyone with information to phone Crime Stoppers on 1800 333 000 and www.crimestoppersvic.com.au.