MORNINGTON Peninsula Crime Investigation Unit detectives are investigating a fire in Hastings on Friday 6 January.
Emergency services were called to the fire at a property on Elizabeth Street about 4.50am.
No one was inside the house at the time.
It is alleged a man started the blaze following an earlier altercation with a woman known to him in the house.
A 43-year-old Hastings man was arrested a short time later. He was later released pending further inquiries.
There were no reported injuries.
Anyone with information is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report online at crimestoppersvic.com.au
