A Norlane man allegedly used a bottle and a screwdriver to threaten two women in two separate carjackings in an hour this morning.
The 31-year-old man threatened a female driver with a bottle on Moorabool St in central Geelong about 7am and stole her black Holden Commodore, police alleged.
He then allegedly dumped the car on Wilsons Rd before carjacking a second woman on Bellarine Hwy in Newcomb just before 8am, police said.
The man allegedly threatened her with a screwdriver and assaulted her before stealing her blue Mazda hatch.
Police arrested the Norlane man in a carpark at North Geelong Railway Station about 8.30am and was currently in custody.
Police urged anyone with information to phone Crime Stoppers on 1800 333 000 or submit a confidential report at www.crimestoppersvic.com.au.