Push to find cyclist after Melbourne arson attack

Police have appealed to find a cyclist as they investigate an arson attack in Melbourne's north west that led to homes being evacuated and properties damaged.

A fire was deliberately lit in Taylors Lakes in a paddock at the back of Rowell Place about 3.35pm today, Victoria Police said.

It did not cause any injuries but led to about 40 people being evacuated from their homes, and damaged fences, sheds and a large area of land.

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Police have released images from CCTV footage of a man riding a bicycle, saying the man may be able to help with their investigation.

The bicycle the man was seen riding is believed to be either a blue or purple Huffy bike.

Detectives have also released aerial images of the fire and the damage it caused.

Anyone who recognises this person or has any information that could assist police with their investigation is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report online at www.crimestoppersvic.com.au